刈割时期对光叶紫花苕生产性能的影响

The Effect of Cutting Date on Production Performance ofVicia villosa var.Glabrescens

对不同刈割时期(播种后60d、90d、105d、120d和135d)的光叶紫花苕生产性能进行了比较研究,结果表明:光叶紫花苕在播种后105d刈割利用1次可获得较高的效益,产草量高达18000.15kg/hm2,种子产量高达964.5kg/hm2,比播种后90d刈割产草量提高了16.13%,种子产量提高13.8%,比对照种子产量提高71.9%。

The effect of cutting date（after sowing 60 days, 90 days, 105 days, 120 days 135 days） on grass and seed production of Vicia villosa var. Glabrescens was studied. The results indicated that the higher grass yield of 18000.15kg/hm^2 and the highest seed yield of 964. 5kg/hm^2 were obtained when Vicia villosa vat. Glabrescens was cut after sowing 105 days. The grass and seed yield increased by 16.13% and 13.8% respectively when cutting after sowing 105 days compared with that cutting after sowing 90 days, and seed yield increased by 71.9% compared with the control.