General Hemp Information
General Hemp Information, Uses, Facts
On an annual basis, 1 acre of hemp will produce as much fiber as 2 to 3 acres of cotton. Hemp fiber is stronger and softer than cotton, lasts twice as long as cotton, and will not mildew.
Cotton grows only in moderate climates and requires more water than hemp; but hemp is frost tolerant, requires only moderate amounts of water, and grows in all 50 states. Cotton requires large quantities of pesticides and herbicides–50% of the world’s pesticides/herbicides are used in the production of cotton. Hemp requires no pesticides, no herbicides, and only moderate amounts of fertilizer.
On an annual basis, 1 acre of hemp will produce as much paper as 2 to 4 acres of trees. From tissue paper to cardboard, all types of paper products can be produced from hemp.
The quality of hemp paper is superior to tree-based paper. Hemp paper will last hundreds of years without degrading, can be recycled many more times than tree-based paper, and requires less toxic chemicals in the manufacturing process than does paper made from trees.
Hemp can be used to produce fiberboard that is stronger and lighter than wood. Substituting hemp fiberboard for timber would further reduce the need to cut down our forests.
Hemp can be used to produce strong, durable and environmentally-friendly plastic substitutes. Thousands of products made from petroleum-based plastics can be produced from hemp-based composites.
It takes years for trees to grow until they can be harvested for paper or wood, but hemp is ready for harvesting only 120 days after it is planted. Hemp can grow on most land suitable for farming, while forests and tree farms require large tracts of land available in few locations. Harvesting hemp rather than trees would also eliminate erosion due to logging, thereby reducing topsoil loss and water pollution caused by soil runoff.
Hemp seeds contain a protein that is more nutritious and more economical to produce than soybean protein. Hemp seeds are not intoxicating. Hemp seed protein can be used to produce virtually any product made from soybean: tofu, veggie burgers, butter, cheese, salad oils, ice cream, milk, etc. Hemp seed can also be ground into a nutritious flour that can be used to produce baked goods such as pasta, cookies, and breads.
Hemp seed oil can be used to produce non-toxic diesel fuel, paint, varnish, detergent, ink and lubricating oil. Because hemp seeds account for up to half the weight of a mature hemp plant, hemp seed is a viable source for these products.
Just as corn can be converted into clean-burning ethanol fuel, so can hemp. Because hemp produces more biomass than any plant species (including corn) that can be grown in a wide range of climates and locations, hemp has great potential to become a major source of ethanol fuel.
Literally millions of wild hemp plants currently grow throughout the U.S. Wild hemp, like hemp grown for industrial use, has no drug properties because of its low THC content. U.S. marijuana laws prevent farmers from growing the same hemp plant that proliferates in nature by the millions.
From 1776 to 1937, hemp was a major American crop and textiles made from hemp were common. Yet, The American Textile Museum, The Smithsonian Institute, and most American history books contain no mention of hemp. The government’s War on Drugs has created an atmosphere of self censorship where speaking of hemp in a positive manner is considered politically incorrect or taboo.
United States Presidents George Washington and Thomas Jefferson grew hemp, used products made from hemp, and praised the hemp plant in some of their writings.
No other natural resource offers the potential of hemp. Cannabis Hemp is capable of producing significant quantities of paper, textiles, building materials, food, medicine, paint, detergent, varnish, oil, ink, and fuel. Unlike other crops, hemp can grow in most climates and on most farmland throughout the world with moderate water and fertilizer requirements, no pesticides, and no herbicides. Cannabis Hemp (also known as Indian Hemp) has enormous potential to become a major natural resource that can benefit both the economy and the environment.
70% of the Cannabis Plant total weight is made up of the ‘hurd’ or woody inner core. This part of the plant is THC free (i.e. Hemp) and is used in housing construction. The silica leached from the soil by the plant combined with unslaked lime forms a chemical bond similar to cement which is fire and water proof. Cannabis Homes
Hemp may be grown also for food (the seed) but in the UK at least (and probably in other EU countries) cultivation licenses are not available for this purpose. Within Defra (the UK’s Department for Environment, Food and Rural Affairs) hemp is treated as purely a non-food crop, despite the fact that seed can and does appear on the UK market as a perfectly legal food product.
Both the complete protein and the oils contained in hempseeds (rich in lanolin and linolenic acids) are in ideal ratios for human nutrition.
Until its rediscovery in the late 1980s, the use of hemp for fiber production had declined sharply over the past decades, but hemp still occupied an important place amongst natural fibers as it is strong, durable and unaffected by water. The main uses of hemp fiber were inrope, sacking, carpet, nets and webbing. A hemp clothing industry was reborn in the West in 1988, and hemp is being used in increasing quantities in paper manufacturing. The cellulose content is about 70%.
Harvesting the fiber
Smallholder plots are usually harvested by hand. The plants are cut at 2 to 3 cm above the soil and left on the ground to dry. Mechanical harvesting is now common, using specially adapted cutter-binders or simpler cutters.
The cut hemp is laid in swathes to dry for up to four days. This was traditionally followed by retting , either water retting whereby the bundled hemp floats in water or dew retting whereby the hemp remains on the ground and is affected by the moisture in dew moisture, and by moulds and bacterial action. Modern processes use steam and machinery to separate the fiber, a process known as thermo-mechanical pulping.
Fuel can be a by-product of hemp cultivation. One fuel would be biodiesel because of the oils in the seeds and stalk of the hemp, another would be biofuel from the fibrous stalks.
Millennia of selective breeding have resulted in varieties that look quite different. Also, breeding since circa 1930 has focused quite specifically on producing strains which would perform very poorly as sources of drug material. Hemp grown for fiber is planted closely, resulting in tall, slender plants with long fibers. Ideally, according to Defra in 2004 the herb should be harvested before it flowers. This early cropping is because fiber quality declines if flowering is allowed and, incidentally, this cropping also pre-empts the herb’s maturity as a potential source of drug material, even though the tetrahydrocannabinol (THC) content would still be very low with these strains of hemp.
The name Cannabis is the genus and was the name favored by the 19th century medical practitioners who helped to introduce the herb’s drug potential to modern English-speaking consciousness. Cannabis for non-drug purposes (especially ropes and textiles) was then already well known as hemp.
The name marijuana is Mexican (or Latin American) in origin and associated almost exclusively with the herb’s drug potential. That marijuana is now well known in English as a name for drug material is due largely to the efforts of US drug prohibitionists during the 1920s and 1930s. We can surmise that this name was highlighted because it helped to characterize the herbal drug as quite alien to English-speaking culture.
There are broadly three groups of Cannabis varieties being cultivated today:
- Varieties primarily cultivated for their fiber, characterized by long stems and little branching, called industrial hemp
- Varieties grown for seed from which hemp oil is extracted
- Varieties grown for medicinal or recreational purposes.
A nominal if not legal distinction is often made between hemp, with concentrations of the psychoactive chemical THC far too low to be useful as a drug, and Cannabis used for medical, recreational, or spiritual purposes.
From the 1881 Household Cyclopedia :
The soils most suited to the culture of this plant are those of the deep, black, putrid vegetable kind, that are low, and rather inclined to moisture, and those of the deep mellow, loamy, or sandy descriptions. The quantity of produce is generally much greater on the former than on the latter; but it is said to be greatly inferior in quality. It may, however, be grown with success on lands of a less rich and fertile kind by proper care and attention in their culture and preparation.
In order to render the grounds proper for the reception of the crop, they should be reduced into a fine mellow state of mould, and be perfectly cleared from weeds, by repeated plowings. When it succeeds grain crops, the work is mostly accomplished by three plowings, and as many harrowings: the first being given immediately after the preceding crop is removed, the second early in the spring, and the last, or seed earth, just before the seed is to be put in. In the last plowing, well rotted manure, in the proportion of fifteen or twenty, or good compost, in the quantity of twenty-five or thirty-three horse-cart loads, should be turned into the land; as without this it is seldom that good crops can be produced. The surface of the ground being left perfectly flat, and as free from furrows as possible; as by these means the moisture is more effectually retained, and the growth of the plants more fully promoted.
It is of much importance in the cultivation of hemp crops that the seed is new, and of a good quality, which may in some measure be known by its feeling heavy in the hand, and being of a bright shining color.
The proportion of seed that is most commonly employed is from two to three bushels, according to the quality of the land; but, as the crops are greatly injured by the plants standing too closely together, two bushels, or two bushels and a half may be a more advantageous quantity.
As the hemp plant is extremely tender in its early growth, care should be taken not to put the seed into the ground at so early a period, as that it may be liable to be injured by the effects of frost; nor to protract the sowing to so late a season as that the quality of the produce may be effected. The best season, on the drier sorts of land in the southern districts, is as soon as possible after the frosts are over in April; and, on the same descriptions of soil, in the more northern ones, towards the close of the same month or early in the ensuing one.
The most general method of putting crops of this sort into the soil is the broadcast, the seed being dispersed over the surface of the land in as even a manner as possible, and afterwards covered in by means of a very light harrowing. In many cases, however, especially when the crops are to stand for seed, the drill method in rows, at small distances, might be had recourse to with advantage; as, in this way, the early growth of the plants would be more effectually promoted, and the land be kept in a more clean and perfect state of mould, which are circumstances of importance in such crops. In whatever method the seed is put in, care must constantly be taken to keep the birds from it for some time afterwards.
This sort of crop is frequently cultivated on the same piece of ground for a great number of years, without any other kind intervening; but, in such cases, manure must be applied with almost every crop, in pretty large proportions, to prevent the exhaustion that must otherwise take place. It may be sown after most sorts of grain crops, especially where the land possesses sufficient fertility, and is in a proper state of tillage.
Thick stands of fiber hemp compete well with weeds.
As hemp, from its tall growth and thick foliage, soon covers the surface of the land, and prevents the rising of weeds, little attention is necessary after the seed has been put into the ground, especially where the broadcast method of sowing is practiced; but, when put in by the drill machine, a hoeing or two may be had recourse to with advantage in the early growth of the crop.
In the culture of this plant, it is particularly necessary that the same piece of land grows both male and female, or what is sometimes denominated simple hemp. The latter kind contains the seed.
When the grain is ripe (which is known by its becoming of a whitish-yellow color, and a few of the leaves beginning to drop from the stems); this happens commonly about thirteen or fourteen weeks from the period of its being sown, according as the season may be dry or wet (the first sort being mostly ripe some weeks before the latter), the next operation is that of taking it from the ground; which is effected by pulling it up by the roots, in small parcels at a time, by the hand, taking care to shake off the mould well from them before the handfuls are laid down. In some districts, the whole crop is pulled together, without any distinction being made between the different kinds of hemp; while, in others, it is the practice to separate and pull them at different times, according to their ripeness. The latter is obviously the better practice; as by pulling a large proportion of the crop before it is in a proper state of maturity, the quantity of produce must not only be considerably lessened, but its quality greatly injured by being rendered less durable.
After being thus pulled, it is tied up in small parcels, or what are sometimes termed baits.
Where crops of this kind are intended for seeding, they should be suffered to stand till the seed becomes in a perfect state of maturity, which is easily known by the appearance of it on inspection. The stems are then pulled and bound up, as in the other case, the bundles being set up in the same manner as grain, until the seed becomes so dry and firm as to shed freely. It is then either immediately threshed out upon large cloths for the purpose in the field, or taken home to have the operation afterwards performed.
The hemp, as soon as pulled, is tied up in small bundles, frequently at both ends.
It is then conveyed to pits, or ponds of stagnant water, about six or eight feet in depth, such as have a clayey soil being in general preferred, and deposited in beds, according to their size, and depth, the small bundles being laid both in a straight direction and crosswise of each other, so as to bind perfectly together; the whole, being loaded with timber, or other materials, so as to keep the beds of hemp just below the surface of the water.
It is not usual to water more than four or five times in the same pit, till it has been filled with water. Where the ponds are not sufficiently large to contain the whole of the produce at once, it is the practice to pull the hemp only as it can be admitted into them, it being thought disadvantageous to leave the hemp upon the ground after being pulled. It is left in these pits four, five, or six days, or even more, according to the warmth of the season and the judgment of the operator, on his examining whether the hemp material readily separates from the reed or stem; and then taken up and conveyed to a pasture field which is clean and even, the bundles being loosened and spread out thinly, stem by stem, turning it every second or third day, especially in damp weather, to prevent its being injured by worms or other insects. It should remain in this situation for two, three, four, or more weeks, according to circumstances, and be then collected together when in a perfectly dry state, tied up into large bundles, and placed in some secure building until an opportunity is afforded for breaking it, in order to separate the hemp. By this means the process of grassing is not only shortened, but the more expensive ones of breaking, scutching, and bleaching the yarn, rendered less violent and troublesome.
After the hemp has been removed from the field it is in a state to be broken and swingled, operations that are mostly performed by common laborers, by means of machinery for the purpose, the produce being tied up in stones. The refuse collected in the latter process is denominated sheaves, and is in some districts employed for the purposes of fuel. After having undergone these different operations, it is ready for the purposes of the manufacturer.
Hemp use dates back to the Stone Age, with hemp fiber imprints found in pottery shards in China over 10,000 years old.
Major hemp producing countries
From the 1950s to the 1980s the Soviet Union was the world’s largest producer (3,000 kmІ in 1970). The main production areas were in Ukraine, the Kursk and Orel regions of Russia, and near the Polish border.
Other important producing countries were China, Hungary, the former Yugoslavia, Romania, Poland, France and Italy.
Canada, United Kingdom, and Germany all resumed commercial production in the 1990s. British production is mostly used as bedding for horses; other uses are under development. The largest outlet for German fiber is composite automotive panels. Companies in Canada, UK, USA and Germany among many others are processing hemp seed into a growing range of food products and cosmetics; many traditional growing countries still continue with textile grade fiber production.
Future of hemp
In the last decade hemp has been widely promoted as a crop for the future. This is stimulated by new technologies which make hemp suitable for industrial paper manufacturing, use as a renewable energy source (biofuel), and the use of hemp derivatives as replacement for petrochemical products.
The increased demand for health food has stimulated the trade in shelled hemp seed. Hemp oil is increasingly being used in the manufacturing of bodycare products.
Jesse Ventura was a vocal proponent of hemp cultivation while governor of Minnesota, though agricultural policymakers within his administration felt that hemp cultivation could not compete economically with crops such as corn and soybeans.
THC in hemp
Hemp contains delta-9- tetrahydrocannabinol (THC), which is the psychoactive ingredient found in hashish. THC is present in all hemp varieties to some extent. In varieties grown for use as a drug, where males are removed in order to prevent fertilization, THC levels can reach as high as 20-30% in the unfertilized females which are given ample room to flower.
In hemp varieties grown for seed or fiber use, the plants are grown very closely together and a very dense biomass product is obtained, rich in oil from the seeds and fiber from the stalks and low in THC content. EU regulations limit THC content to 0.3% in industrial hemp. In Canada, the THC limit is 1%.
On October 9, 2001, the US Drug Enforcement Administration (DEA) ruled that even traces of THC in products intended for food use would be illegal as of February 6, 2002. This Interpretive Rule would have ruled out the production or use of hempseed or hempseed oil in food use in the USA, but after the Hemp Industries Association (HIA) filed suit the rule was stayed by the Ninth Circuit Court of Appeals on March 7, 2002. On March 21, 2003, the DEA issued a nearly identical Final Rule which was also stayed by the Ninth Circuit Court of Appeals on April 16, 2003. On February 6, 2004 the Ninth Circuit Court of Appeals issued a unanimous decision in favor of the HIA in which Judge Betty Fletcher wrote, “[T]hey (DEA) cannot regulate naturally-occurring THC not contained within or derived from marijuana-i.e. non-psychoactive hemp is not included in Schedule I. The DEA has no authority to regulate drugs that are not scheduled, and it has not followed procedures required to schedule a substance. The DEA’s definition of “THC” contravenes the unambiguously expressed intent of Congress in the Controlled Substances Act (CSA) and cannot be upheld”. On September 28, 2004 the HIA claimed victory after DEA declined to appeal to the Supreme Court of the United States the ruling from the Ninth Circuit Court of Appeals protecting the sale of hemp-containing foods. Industrial hemp remains legal for import and sale in the U.S., but U.S. farmers still are not permitted to grow it.
The DEA’s strong opposition to a chemical widely thought to be less addictive or harmful than legal nicotine or alcohol leads some of its critics to charge ulterior motives such as protection of the synthetic-fiber, wood pulp, petrochemical, and pharmochemical industries. The position has been an occasional embarrassment to the US government, as when they ignored their own arguments and grew it large-scale in Kentucky and Wisconsin for World War II. Critics of the HIA, however, argue that the necessities of the war and the unavailability of adequate synthetic substitutes outweighed the social, health, and public safety risks of producing hemp. Today, they assert, those risks are substantial, according to many experts, because hemp resembles crude marihuana and there is no visual way to distinguish the two. This, alone, would make enforcement of the marihuana laws by federal and state authorities all but impossible if hemp were legalized. The critics of HIA often allege that it is the HIA that may have an ulterior motive in promoting hemp for economic reasons while really seeking to legalize marihuana for recreational use. They add that if the federal government were to authorize the production of industrial hemp, it would likely require registration of farmers, inspections and audits of farms, and a “strict liability” clause in the law to allow administrative seizure of all land parcels upon which any crude marihuana is grown or where hemp with a THC level above one percent is found. This would discourage farmers from trying to use hemp to circumvent the law’s prohibition of marihuana while still protecting the public’s right to produce industrial hemp — a compromise that would satisfy all but those with the aforementioned hidden agenda.
The presence of (some) THC in hemp varieties and the fear that THC could be extracted from industrial hemp for illegal purposes has hampered the development of hemp in many countries. Since the early 1990s, however, many countries, including Canada, Australia, the UK, The Netherlands and Germany, allow hemp plantings and commercial scale production. Plant breeders are working on the development of new varieties which are low in THC.
You might also find this Italian study informative and interesting, as well: Antibacterial Cannabinoids from Cannibus sativa. Don’t forget to see this page, either. It’s full of relevent Hemp information.
Hemp information uses and facts including: industrial hemp cultivation history, hemp anti-bacterial properties , Cannabinoids and CBD from Cannibus sativa, and general hemp knowledge
Why Hemp Is A Cash Crop Just Waiting To Happen. Again.
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Hemp is a plant that has been cultivated in parts of the world for 10-12,000 years – possibly longer – and is estimated to have between 25,000 to 50,000 uses, with 5,000 uses in the textiles industry alone. Hemp has had a bad rap in the United States, supposedly thanks to the protectionist policies of a powerful few people in government and industry who had investments in key industries including pulp and paper. Hemp was lumped together marijuana usage, and used to pass the Marijuana Tax Act, partially by misinforming Congress and leveraging racial politics of the 1930s.
The hemp plant, originating in Asia, has the scientific name Cannabis Sativa L. (Linnaeus). There are three variants of the cannabis plant: cannabis sativa sativa, cannabis sativa indica, and cannabis sativa ruderalis. The first is what is used for industrial hemp; the second associated with marijuana production. Hemp comes from a strain of cannabis that is significantly lower in THC (delta-9 tetrahydrocannabinol) than the strain we think of as the drug marijuana (cannabis sativa indica), and hence does not have the pyschoactive properties of the latter.
Industrial Hemp Crop Uses
Industrial hemp uses, as noted above, number as high as 50,000. A table of usage categories is shown below, taken from a document published by the University of Vermont Legislative Research Shop, as identified by the Canadian Department of Agriculture and Food in 2007. The table is split into three categories: hemp seed use, hemp oil use, hemp fibre use.
|Hemp Seed Product Uses||Hemp Oil Product Uses||Hemp Fibre Product Uses|
|Feed||Body Care Products||Paneling|
|Dietary Fibre||Fuel||Pulp and Paper|
|Non-dairy Milk and Cheese||Spreads||Automobile Parts|
|Baking||Paint||Animal Bedding and Mulch|
In addition to the table above, other uses of hemp include but are not limited to:
- Medicine: sedatives, analgesics
- Textiles, including sails for ships
- Food products: e.g. tea, snack bars, cereal, etc.
- Body care/ hygiene: e.g., creams, lotions, ointments, salves, tinctures, soap, shampoo
- Rope/ cordage
- Linoleum backing
- Artist’s canvas for painting. Historically, these were made from hemp. (“Canvas” is a word with French, Latin and Greek origins and means either cannabis/hemp or made with such.)
- Dynamite and TNT
- HempCrete (one of several building materials made from hemp)
- Livestock and pet feed: e.g., bird feed
- Oil for cooking
- Oil for lamps (sometimes in religious ceremonies)
This is a tiny list, and given just these uses, it’s easy to understand why the paper, fuel and other industries were afraid of hemp — especially if there really are as many as 50,000 uses. In the Jan 1938 issue of Popular Mechanics was an article about hemp being a future cash crop.
Some Health and Evironmental Benefits of Hemp
The U.S. is the only industrialized nation where there’s a ban on industrial hemp farming, despite the proven benefits, both in the U.S. in the past, and in other countries. Hemp is thought of by some as a superfood. In addition to the food and body care uses listed above, here are some noted health benefits. (This is not a claim of health benefits, only a summary of outcomes documented in both studies and historic use. Please consult your health care practitioner if you have any concerns.)
- Hemp is numerous medical uses, as historical use in other countries as well as in the U.S. show. For example, various hemp extracts in medicine include treatment of rheumatoid arthritis, epileptic fits and more.
- Once one of the largest agricultural crop in the world (including in the U.S.), until about 1883, hemp was used in the U.S. for a number of purposes, including fabrics, paper, fiber, lighting oil and medicine. In fact, according to the documentary movie “The Union: The Business Behind Getting High” (available on YouTube; see references), 50% of medicines “in the last half of the 19th century (in the U.S.) was made from cannabis.”
- Over 60 molecular compounds known as cannabinoids are only found in cannabis. One such compound, THC (delta-9 tetrahydrocannabinol), is the psychoactive ingredient of marijuana. Another is CBD (cannabidiol), is found in in hemp strains of cannabis. CBD is considered to be an anti-pyschoactive and has been used for medicinal/ healthcare uses, including reducing epileptic seizures, amongst other users.
- Hemp seeds have up to 24% protein, a handful of which satisfies an adult’s minimum daily requirement of protein.
- Hemp seeds have all the essential amino acids that human bodies need but cannot produce. These amino acids aid muscle control, brain function, and regular maintenance of body cells, tissues, muscles, and organs, and collectively help the body’s immune system.
- Hemp seeds have a 1:3 ratio of EFAs (essentially fatty acids) Omega-3 to Omega-6. This is thought to be an ideal ratio by some health and wellness professionals.
- Hemp also has Omega-9 and other EFAs. Collectively, EFAs in hemp are good for heart health, for various reasons, including dissolves plaque in arteries and reducing blood cholesterol. EFAs also have anti-inflammatory benefits.
- Omega-3, found particularly in hemp seeds, lowers blood pressure and reduces risk of cardiovascular disease. It potential delays or reduces the chances of getting Alzheimer’s disease.
- Omega-6 helps regulate metabolism, aids brain function, and stimulates growth of skin and hair, amongst other benefits.
- Hemp seeds contain a higher level of EFAs than any other known oil made from nuts or seeds.
- In addition to EFAs and amino acids, hemp seed oil has GLAs (gamma linoleic acids), polyunsaturated fatty acids and more — all of which are valuable to hair and skin care.
- Hemp seeds and protein powder can regulate blood sugar – due to the protein and fiber slowing digestion — and can make you feel fuller longer you feel fuller, especially when taken with breakfast.
- Smoking hemp cannot get you high as with marijuana, due to the extremely low THC levels. As well, CBD in hemp blocks the psychoactive properties of any negligible THC content that might be present. Marijuana strains of cannabis are harvested for the leaves and buds. Hemp strains are harvested for the stalk and seeds. Any attempt to extract THC from hemp plants would not be worthy the costly effort.
- Consuming hemp-based products will thus not negatively affect any drug tests for THC.
- Hemp oil can be used to produce non-toxic, biodegradable inks and paints.
- Using hemp for paper production takes less toll on the environment, which ultimately is beneficial for our health. For example, tree-based paper production generates “harmful dioxins, chloroform and over 2,000 chlorinated organic compounds,” which hemp does not. Hemp-based paper production also requires less chemicals.
- Hemp crops can be harvested around four months after seed is planted, compared to the decades or longer for trees (depending on their intended use). Thus hemp crops can help with the deforestation that ultimately affects animal and plant habitats, and the environment in general.
- Hemp fuel, turned into ethanol form, burns more cleanly than other fuels.
- Ethanol use produces energy, water vapor and carbon dioxide — the latter of which can be absorbed by plants, resulting in a sustainable cycle.
Facts and Statistics About Hemp
Here are is a relatively small list of general facts about hemp.
- Hemp is thought to be the first domestically-cultivated plant, with evidence of hemp fabric dating to 8,000 years ago found in Turkey (former-day Mesopotamia). Other evidence suggests cultivation further back by two or more thousands of years.
- The word hemp has been used in the past to Europe to describe other fiber plants, including sisal and jute.
- Beer hops (Humulus genus) are a close cousin of genus Cannabis, both of which fall under family Cannabaceae.
- Hemp products are now legal in the United States, although ingredients or end products are currently imported from other countries – particularly Canada.
- Hemp was not always treated as the same as marijuana by the U.S. government.
- The word “marihuana” (now marijuana) was coined in the 1890s, but not used until the 1930s by the U.S. Bureau of Narcotics (replaced by the DEA) to refer to all forms of cannabis.
- According to the documentary “The Union: The Business Behind Getting High” (available at YouTube), the first marijuana law in the United States was enacted in 1619, in Jamestown Colony, Virginia, and actually required farmers to grow hemp. Benjamin Franklin used hemp in his paper mill – one of the country’s first – and the first two copies of the Declaration of Independence were supposedly written on hemp paper.
- In parts of the Americas, hemp was legal tender and could be used to pay taxes.
- Hemp paper is stronger than wood-based paper, and can withstand more folding. In general, hemp has strongest natural fiber of any source.
- Hemp paper hundreds of years old (found in museums) has not yellowed, and is thus a high quality paper of archival quality.
- Marijuana plants cannot be hidden amongst hemp plants. The former grows wide and less tall (5-10 feet), whereas the latter is grown more densely and taller (10-15 feet), to produce maximum stalk fiber lengths.
- Hemp can grow nearly anywhere in the world, in many types of soil — even in short growing seasons or in dry regions — and helps purify soil as well as kills some types of weeds
- Hemp can grow without pesticides. The crop is also kills some weeds, purifies soil, and is suitable for rotation use, due not only to its short harvest cycle (120 days).
- Hemp is a high-yield crop. One acre of hemp produces twice as much oil as one acre of peanuts, and nearly four times as much fiber pulp (for paper) as an acre of trees.
- Hemp paper is naturally acid-free and does not yellow as quickly as tree pulp-based paper.
- Hemp has the strongest (and longest) plant fiber in the world, resistant to rot and abrasion, and was in long use before DuPont patented nylon in 1937. It was used for ship rigging, military uniforms, parachute webbing, baggage and more.
- Because of its strength, hemp fiber can be be used for composite materials that could be used to make anything from skateboard decks to car and stealth fighter bodies.
- A hemp composite material (with limestone and water) forms a type of concrete (hempcrete) that can be used for home building, at 1/9th the weight. It also acts as insulation and repels some vermin.
- Levi jeans were originally made from hemp sailcloth (and rivets), for goldminers in California, who would fill their pockets with gold.
- By the 1800s, the state of Kentucky produced about half of the industrial hemp in the U.S. The first hemp crop there was planted in Boyle County in 1775.
- Henry Ford, founder of the Ford Motor Company, created a plastic car in 1941 which ran on hemp and other plant-based fuels, and whose fenders were made of hemp and other materials. Ford had a plan to “grow automobiles from the soil.” (Note: a company in France is experimenting with a similar vehicle in current day.)
- Despite the active Marijuana Tax Act and the official federal government stance on hemp and marijuana, the U.S. Army and the Dept of Agriculture jointly produced a 1942 film, “Hemp for Victory,” encouraging farmers to grow hemp for the country’s effort in World War II — particularly for textiles and rope, imports of which had been cut off by war. Over 100,000 acres of hemp was growing in the U.S., but all related permits were canceled when WW II ended.
The American Market for Hemp-Based Products
A February 1938 Popular Mechanics article titled “New Billion-Dollar Crop” was published around the same time that the Marijuana Tax Act took effect (Jan 1938), though it was prepared in 1937. The article referred to the potential for industrial hemp to be a billion dollar cash crop across numerous industries, with over 5,000 uses for the textile industry alone, as well as over 25,000 total uses including dynamite, Cellophane and more. At the time, hemp yield was about 3-6 tons per acre, and new machinery called a decorticator could harvest the crop more cheaply than ever — supposedly even more so than DuPont’s chemical process for harvesting trees for pulp and paper products. In 2014 dollars, the equivalent market potential would be nearly $17B. However, with a much larger populace now, the market could likely be much larger.
With industrial hemp crops still being illegal to grow in the United States, except in certain states, the market for hemp products here is at the billion-dollar level yet. However, hemp product use is legal and growing. The HIA (Hemp Industries Assocation) — which represents over “280 farmers, processors, manufacturers, importers, distributors, retailers, researchers and publishers worldwide” — published their estimates in Feb 2014, for the U.S. hemp-based products market for 2013. Here are some of those statistics.
- $581M — The total value of hemp products sold in the United States in 2013.
- Items that are doing particularly well are in the hemp food and body care market, particularly “non-dairy milk, shelled seed, soaps and lotions.”
- The total for hemp foods and body care alone is under-reported, due to retailers that do not supply sales data. Based on available sales data, the total for these categories was over $61.4M, an increase of 24% ($11.89M) over 2012 (year end Dec 23).
Due to the growing American demand for hemp products, Canadian farmers are increasing acreage for hemp crops. “U.S. farmers’ frustration at being shut out of the lucrative worldwide hemp market is catalyzing real movement throughout all levels of government to legalize industrial hemp,” according to Eric Steenstra, Executive Director of the HIA.
A Farm Bill amendment was passed in early 2014 that allows states with their own passed hemp legislation to do industrial hemp research. Two more separate bills – the “Industrial Hemp Farming Act of 2013” and a companion bill – were introduced in congress in Feb of 2013. Collectively the bills, if passed, would allow removing industrial hemp from the definition of “marihuana” (in the Controlled Substances Act) and “give states the exclusive authority to regulate the growing and processing of the (industrial hemp) crop under state law.” This refers to the “non-drug oilseed and fiber varieties of Cannabis.”
- As of the end of Feb 2014, 32 states had introduced pro-hemp legislation; 20 passed their legislation.
- 10 states have defined industrial hemp as distinct from marijuana and thus allow the crop to be farmed: California, Colorado, Kentucky, Maine, Montana, North Dakota, Oregon, Vermont, Washington, West Virginia.
- 3 states passed bills for “creating commissions or authorizing research”: Hawaii, Kentucky, Maryland.
- 9 states passed resolutions: California, Colorado, Illinois, Montana, New Hampshire, New Mexico, North Dakota, Vermont, Virginia.
- 8 states passed study bills: Arkansas, Illinois, Maine, Minnesota, New Mexico, North Carolina, North Dakota and Vermont.
- 2+ states, including Kentucky and Colorado, have pilot programs for hemp research starting spring 2014.
As to why hemp became illegal in the United States in the 1930s, there is evidence that hemp was perceived to be a threat to a number of industries, including pulp and paper, oil, medicine and others, and that certain powerful people had personal stakes for preventing hemp’s success. If you’re interested in learning more, search for information on hemp and marijuana in relation to the following topics/ search terms:
Why Hemp Is A Cash Crop Just Waiting To Happen. Again. Share this graphic on your site! Hemp is a plant that has been cultivated in parts of the world for 10-12,000 years – possibly longer –