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小麦生长期长,需肥量大,根据小麦的营养特点和地力产量水平,设计出小麦专用肥的养分配比为15-6-4,按标准施用,完全可以达到目标产量水平。
According to the nutritional characteristics of wheat and the level of soil fertility, the proportion of wheat-specific fertilizer is designed to be 15-6-4. According to standard application, the target yield can be achieved completely.