论文部分内容阅读
配方施肥是综合运用现代化农业科学技术成果 ,根据作物的需肥规律 ,土壤供肥性能与肥料效应 ,在有机肥为基础的条件下 ,制定出氮、磷、钾和微肥的适宜用量和比例 ,采取相应措施的施肥技术。安徽省泗县农技推广中心对示范田的土壤进行了化验分析 ,测出土壤中各种养分含量的丰缺
Formula fertilization is the comprehensive use of modern agricultural science and technology achievements, according to the law of crop demand, soil fertility and fertilizer effect, in the organic fertilizer-based conditions, to develop appropriate amount and proportion of nitrogen, phosphorus, potassium and fertilizer , Take the appropriate measures of fertilization technology. Si County, Anhui Province Agricultural Technology Promotion Center of the field of soil samples were analyzed to determine the abundance of various nutrients in the soil