Although we popularly know it as cannabis this wonder plant has gained popularity for more reasons than we can think of.Yes from health benefits to construction material to biofuel, Hemp has its uses everywhere.
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.
Many Uses of Hemp
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
Hemp stem. 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.
Original Article by Style Craze