[8]
Nitrogen fertilizer use in China – Contributions to food production, impacts on the environment and best management strategies[J] . Z.L. Zhu,D.L. Chen.Nutrient Cycling in Agroecosystems . 2002 (2-3)
[8]
Nitrogen fertilizer use in China – Contributions to food production, impacts on the environment and best management strategies[J] . Z.L. Zhu,D.L. Chen.Nutrient Cycling in Agroecosystems . 2002 (2-3)