Research on the Index System of Ecological Balanced Fertilization for Three Crops

• 作者: Changhong MI Hongyan ZHENG Jian DING Ling LU Shuojin WANG Shutian LIU Xianda HOU Yanlin HOU Zhiping HUANG
• 来源期刊: 气象与环境研究:英文版
• 学科: 农学
• 关键词: Optimum yield Optimum fertilization amount Nutrient conversion ratio Fertilizer utilization ratio Relative abundance-deficiency value of soil nutrient
• 年，卷（期）: 2020,（5）
• 页码范围: 6-10
• 页数: 5页
• 分类号: S51

摘要

This paper studied the index system of ecological balanced fertilization for three crops by data mining method based on data of"3414 fertilizer field trials"of rice,wheat and maize by published papers from national soil testing and recommendation since 2005.A systematic analysis of the materials and methods,the main research contents,the main research results and the main research conclusions of the column was made,in order to enable readers to understand and grasp the overall contents of the following 15 papers.