一、麦后直播棉花的增产效果慈溪棉区历来采用粮棉两熟套种的耕作制度。随着生产的发展,这一耕作制在新的情况下,出现了不少新的矛盾。例如许多社队的冬作行距缩小,春粮密植程度增加,春粮的产量虽有所提高,但是却对套播的棉花荫蔽程度加大,不利出苗,影响棉苗早发,使结桃推迟,因而对产量产生了一定的影响。 First, the wheat after direct broadcast of cotton yield Cixi cotton has always been using cotton and cotton intercropping system of farming. With the development of production, many new contradictions have emerged in this new cropping system. For example, many communes have reduced winter spacing and the density of spring grain has increased. Although the output of spring grains has been raised, the coverage of cotton sowing has been increased, causing unfavorable emergence and affecting the early onset of cotton seedling and postponing peach , Which has had a certain impact on production.