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豫东地区影响小麦产量的主要因素是晚播弱苗,单根独苗及碱地“老小苗”。为了提高这类小麦的产量,三年来,我们在不同类型土壤上,布置
The main factors that affect the yield of wheat in the eastern part of the country are the late-sowing weeds, the single seedling and the alkali-base “old seedlings.” In order to increase the yield of this kind of wheat, we have been arranging on different types of soils for three years