平衡施肥是根据作物需肥量、土壤供肥性能与肥料效应，在有机肥为基础的条件下，提出氮、磷、钾和微量元素适宜用量和比例，以及相应的施肥技术。１９９７年集贤县推广平衡施肥技术４０万亩，其中大豆１８万亩，并在８个乡镇的１４５亩大豆田进行了试验。现将试验结果整理... Balanced fertilization is based on the amount of fertilizer needed for the crop, the soil fertility and the fertilizer effect. Based on the organic fertilizer, the appropriate amount and proportion of nitrogen, phosphorus, potassium and trace elements, and the corresponding fertilization techniques are put forward. 1997 Jixian County to promote balanced fertilization technology 400000 acres, of which 180000 acres of soybeans, and in eight towns and 145 acres of soybean fields were tested. The test results are now finishing ...