Potassium Fertilization on Maize under Different Production Practices in the North China Plain

Zhang, Weifeng; Chen, Xinping; Li, Chunjian; Zhang, Fusuo; Niu, Junfang; Jiang, Lihua; Liu, Zhaohui; Xiao, Kai; Assaraf, Menachem; Imas, Patricia; SCI

机构： China Agr Univ, Dep Plant Nutr, Beijing 100193, Peoples R China; Chinese Acad Sci, Key Lab Agr Water Resources, Ctr Agr Resources Res, Inst Genet & Dev Biol, Shijiazhuang 050021, Peoples R China; Shandong Acad Agr Sci, Soil & Fertilizer Inst, Jinan 250100, Peoples R China; Hebei Agr Univ, Coll Agron, Baoding 071001, Peoples R China; Int Potash Inst, CH-8810 Horgen, Switzerland;

关键词： potassium: 7440-09-7 agrichemical fertilizer soil fertility yield response recovery efficiency economic profit production practice