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作物的适时播种,对产量和品质有直接关系。春小麦播种期的研究,其目的是要探求儿(?)要春小麦品种在黄羊地区的适宜播种期。使外界条件满足小麦生长发育(?)生理要求,产能经进一步提高。
Crop timely sowing, the yield and quality are directly related. The purpose of spring wheat sowing period is to explore the appropriate sowing date of spring wheat varieties in Huangyang region. So that the external conditions to meet the physiological requirements of wheat growth and development (?), Capacity to further improve.