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用奥普尔"液肥处理土壤，具有激活土壤肥力，促进土壤循环、提高肥效、补偿缺素、协调营养平衡、促进作物生长，加速发育进度等优点。现将我们在小麦上的试验结果报道如下：一、试验材料与方法试验设在东风湖农场农科所一块试验田内，土地平整，肥力中等，沙壤土结构，前茬为大
Using Opal’s liquid fertilizers to treat soils has the advantage of activating soil fertility, promoting soil circulation, increasing fertilizer efficiency, compensating for deficient nutrients, coordinating nutritional balance, promoting crop growth, and accelerating the developmental progress etc. The results of our experiments on wheat are reported below : First, the test materials and methods The experiment is located in a pilot farm of Dongfeng Lake Farm Agro-Science Institute. The land is flat and fertility is medium. The sandy loam structure and the former crop are large