目前，国内外微量元素肥料种类不断增加，为了经济、合理、有效地应用微肥，减少不必要的损失、浪费，提高农产品的质量及产量，我们对几种微肥肥效进行了试验。1试验材料与方法试验设在八五五农场试验地，供试土壤为岗地白浆土，采用随机区组，3次重复。供试大豆品种为垦农7号 At present, the types of trace element fertilizers both at home and abroad are constantly increasing. In order to economically, reasonably and effectively use trace fertilizers, reduce unnecessary losses and waste, and improve the quality and yield of agricultural products, we tested the effectiveness of several kinds of fertilizer. 1 Test Materials and Methods The experiment was conducted in 855 farms and the soil for testing was white earth in Kongling. Randomized blocks were used for 3 replicates. Test soybean varieties Kenon 7