2000 supported previous findings that most of the nitrogen pollution delivered to the Gulf of .... constituted 5% of 2000 nitrogen fertilizer consumption. ...
The majority of plant-available nitrogen is in the inorganic (sometimes ... containing minerals and the vast storehouse of nitrogen in the atmosphere. ...
goal of sustainable agriculture and may raise the amount of nitrogen in ground .... Researchers are using NADP data to compute the amount of nitrogen depos- ...
A. Nitrogen is essential to life on earth. Nitrogen gas makes up 78 percent of the ... This conversion is accomplished through the nitrogen cycle, in which ...