Nitrogen fertiliser a lethal mixture For years farmers would struggle to get enough nitrogen fertiliser on to their fields.
"Every kilogramme of nitrogen fertiliser you make emits in its production 8kg of carbon dioxide".
Better use of nitrogen fertiliser not only increases profitability but also reduces groundwater pollution".
It includes the huge power company CNOOC, which runs the country's largest nitrogen fertiliser factory in Hainan's Dongfang City.
It is free from disease and needs no nitrogen fertiliser, does not cause bloat and is a natural anthelmintic.
To make 1 tonne of nitrogen fertiliser you need 1 tonne of oil and 108 tonnes of water.
Bacteria in the nodules of leguminous plants' roots convert soil nitrogen into ammonia, the feedstock of nitrogen fertiliser.
All plots were split for nitrogen fertiliser, and appropriate herbicides were used for weed control.
Nitrogen fertiliser rates were 0, 50 and 150 kg N ha−1.
That means, in my book, avoiding the use of nitrogen fertiliser and pesticides, both of which are really big greenhouse gas emitters.
Eshel's team analysed how much land, water and nitrogen fertiliser was needed to raise beef and compared this with poultry, pork, eggs and dairy produce.
