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Ad Details

  • Ad ID: 1700

  • Added: October 30, 2018

  • Location: India

  • State: Gujarat

  • City: Ahmedabad

  • Phone: +91 97266 92100

  • Views: 188


Nitrogen is abundant in our atmosphere but rare in the soil – it is naturally “fixed” (converted to soil availability) by bacteria on the roots of leguminous plants, or by a strike of lightning. The Haber-Bosch process was developed in the early 20th century to combine nitrogen from the air with hydrogen at high temperature and pressure to make anhydrous ammonia (NH3), the basis for all synthetic nitrogen fertilizers as well as munitions used in warfare. The hydrogen source for the process is natural gas, a non-renewable resource that currently accounts for 80 to 90 percent of the cost of fertilizer production. In the conventional system, our very ability to feed ourselves is dependent upon a non-renewable fossil fuel.

Synthetic nitrogen fertilizer became popular in the U.S. after World War II when large stocks of leftover ammonium nitrate munitions were marketed for agricultural use. However, the widespread adoption of synthetic fertilizer and associated agricultural practices had a host of unintended consequences to our environment, the quality of our foods, and the sustainability of our food system.

Synthetic fertilizers are banned from USDA’s organic production standards, but are used in conventional food production on a massive scale. More than 21 million tons of synthetic fertilizers were spread over American farmland in 2010 alone, covering about one-eighth of the continental land mass.


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