引言播种期和播种量是各大麦获得高产优质的重要条件．9月份播种冬大麦可以显著增产．每平方米土地面积内，大麦的穗数越多，籽位数越多．则大麦的产量越高，但大麦每穗粒数减少、粒重下降．据Hatris研究，每平方米面积内播种大麦300位的产量比扬种200粒的产量高，但播种量增加 Introduction Sowing date and seeding rate are the important conditions for barley to achieve high yield and good quality. September sowing of winter barley can significantly increase production. Per square meter of land area, the more barley spikes, the more seeds. The higher the yield of barley, but the less the number of barley per spike and the lower the weight of grain. According to Hatris, the yield of 300 grains per square meter of sown barley was higher than that of 200 seeds, but the seeding rate was increased