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目前农资部门供应的植物营养剂种类较多,为指导菜农正确选用,提高应用效果,我们选择了高效液肥宝等9种营养剂在春大白菜上进行了试验,现简述如下:
At present, there are many kinds of plant nutrients supplied by the agricultural capital departments. In order to guide the correct selection of vegetable farmers and improve the application effect, we selected nine kinds of nutrient agents such as high-efficiency liquid fertilizer to test the Chinese cabbage. The results are summarized as follows: