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20 19 National Standard Plan "Technical Guide for One-time Fertilization of Corn" was declared and implemented by TC 105 (National Technical Committee for Standardization of Fertilizer and Soil Conditioner), and the competent department was China Petroleum and Chemical Industry Federation.

Main drafting units: Dezhou Product Inspection and Testing Institute, Dezhou Academy of Agricultural Sciences, Crop Science Institute of Chinese Academy of Agricultural Sciences, Institute of Agricultural Resources and Agricultural Regionalization of China Academy of Agricultural Sciences, and Lu Hua Hengsheng Chemical Co., Ltd.