鲁东大学学报(自然科学版)

通过对不同种植密度小麦的籽粒灌浆特性及产量构成因素的研究表明，在土壤肥力和施肥水平较高的条件下，低密度群体（６０～１２０株／ｍ２）小麦的籽粒灌浆速率、穗粒数、千粒重较高密度群体（３００株／ｍ２）都有较大幅度提高，从而使其产量比后者高１０％～３０％．

The yield formation of wheat in different sowing density under higher fertility has been studied.The results indicate that the grain filling rate,the number of grains per ear and the thousand grain weight of wheat in sparser sowing density (60～120 initial seedlings per square metre) are far higher than that in closer sowing density(300 initial seedlings per square metre).Thus,the yield increases by 10%～30%.