论文部分内容阅读
1试验目的为了摸清和掌握玉米生产情况,优化施肥数量,基肥、追肥分配比例、土壤养分校正系数、养分吸收量、土壤供肥能力、肥料利用率等基本参数,建立合理的施肥指标体系和测土配
Aims of the experiment In order to find out and master the corn production, optimize the fertilization quantity, base fertilizer, top dressing allocation ratio, soil nutrient correction coefficient, nutrient uptake, soil fertility, fertilizer utilization and other basic parameters to establish a reasonable fertilization index system and Soil testing