Optimizing nitrogen fertilizer use: Current approaches and simulation models

WE Baethgen - 2000 - osti.gov
Nitrogen (N) is the most common limiting nutrient in agricultural systems throughout the
world. Crops need sufficient available N to achieve optimum yields and adequate grain …

[引用][C] UNITED KINGDOM August 2000

R Matthews, W Stephens, T Hess, T Mason, A Graves - 2000