Industrial Hemp An Energy Crop And More

Hemp has been used for centuries as a food staple, to make medicine, cloth, paper, and ropes. The production of hemp has a low impact on the environment because is it has a larger biomass yield and compared to other crops need less water and land to grow. Though hemp supports many types of productions, hemp was displaced by cotton and corn production.

Article by Thomas Prade, The Conversation
Natural Life Energy

Abuse of hemp as a drug led to the prohibition of its cultivation by the United Nations in 1961. When prohibition was revoked in the 1990s in the European Union, Canada and later in Australia, industrially used hemp emerged again.

This time, the car industry’s interest in light, natural fibre promoted its use. For such industrial use, modern varieties with insignificant content of psychoactive compounds are grown. Nonetheless, industrial hemp cultivation is still prohibited in some industrialised countries like Norway and the USA.

Energy use of industrial hemp is today very limited. There are few countries in which hemp has been commercialised as an energy crop. Sweden is one, and has a small commercial production of hemp briquettes. Hemp briquettes are more expensive than wood-based briquettes, but sell reasonably well on regional markets.

Large-scale energy uses of hemp have also been suggested.

Biogas production from hemp could compete with production from maize, especially in cold climate regions such as Northern Europe and Canada. Ethanol production is possible from the whole hemp plant, and biodiesel can be produced from the oil pressed from hemp seeds. Biodiesel production from hemp seed oil has been shown to overall have a much lower environmental impact than fossil diesel.

Indeed, the environmental benefits of hemp have been praised highly, since hemp cultivation requires very limited amounts of pesticide. Few insect pests are known to exist in hemp crops and fungal diseases are rare.

Since hemp plants shade the ground quickly after sowing, they can outgrow weeds, a trait interesting especially for organic farmers. Still, a weed-free seedbed is required. And without nitrogen fertilisation hemp won´t grow as vigorously as is often suggested.

So, as with any other crop, it takes good agricultural practice to grow hemp right.

View the complete article by Thomas Prade: http://theconversation.com/is-industrial-hemp-the-ultimate-energy-crop-20707

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