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
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