Synthetic Nitrogen Fertilizer Deplete Soil Nitrogen: A Global Dilemma for Sustainable Cereal Production
By R. L. Mulvaney*, S. A. Khan and T. R. Ellsworth. Published in J Environ Qual 38:2295-2314 (2009)
Synthetic Nitrogen Fertilizer Deplete Soil Nitrogren: A Global Dilemma for Sustainable Cereal Production

