依土壤主要肥力指标，计算出最佳氮磷比例与最佳施用量，调整土壤供肥平衡，既节省肥料，又获得地力允许的最佳产量。这项能大幅度提高化肥利用率和农作物产量的调控施肥新技术，最近由山西省农科院农业资源综合考察研究所研究成功。专家鉴定后认为，这是当前我国作物因土、因 According to the main soil fertility index, calculate the best ratio of nitrogen and phosphorus and the best application rate, adjust the balance of soil for fertilizer, not only save fertilizer, but also get the best output of soil allowable. The new regulation and fertilization technology, which can greatly increase fertilizer utilization and crop yield, was recently successfully researched by the Comprehensive Investigation Institute of Agricultural Resources of Shanxi Academy of Agricultural Sciences. Experts believe that this is the current crop of our country due to