Nutrient management and balanced fertilization on main crops in Gansu province

Tianwen Guo, Soil and Fertilizer Institute, Gansu Academy of Agricultural Sciences
Phone: 86-931-7614884
Fax: 86-931-7614884
Email:
No.1，Nongkeyuanxincun，Anning District，Lanzhou，Gansu，730070
Lanzhou, Gansu province
730070

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