Nutrient management and balanced fertilization on main crops in Qinghai province

Zhanquan Chen, Soil and Fertilizer Institute, Qinghai Academy of Agriculture and Forestry
Phone: 0971－5311173; 13709768762
Fax: 0971－5311173
Email:
Ningzhang Road No. 83, Xining, Qinghai, 810016
Xining, Qinghai
810016

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