论文部分内容阅读
1.加强和完善配方施肥中的各项技术措施。在配方施肥过程中要充分完善施肥参数,如单位产量养分吸收量、土壤养分利用率、化肥利用率等,这些参数随生产条件的变化亦在不断改变,在原来化验土壤、植物营养需求的基础上,新增环境条件分析项目(如水质、土壤有害物质含量、化肥农药污
1. To strengthen and improve the formula fertilizer in the technical measures. In the process of formula fertilization to fully improve the fertilization parameters, such as nutrient yield per unit yield, soil nutrient utilization, fertilizer utilization, etc., these parameters are also changing with the production conditions are constantly changing, in the original test soil, plant nutritional needs of the foundation On the new environmental conditions of the project (such as water quality, soil harmful substances, chemical fertilizers pesticides