1Study on Contribution of Potassium,Nitrogen and Organic Fertilizer to Farmers' Super Rice Production Economy——Based on Empirical Study of 690 Rice Farmers in Eight Counties in Liaoning,Zhejiang and Hunan Province

作者： CHEN Qing-gen ; WANG Lei *; JCR（2021版）

机构： China National Rice Research Institute; ; Hangzhou 310006;

来源：Journal of Agricultural Science and Technology

年份：2011