水稻抛秧除草专用肥应用试验初报

An Initial Report on Application Test of Special Weeding Fertilizer for Throw planting Rice

除草专用肥、丁苄对旱育抛秧田化除效果及产量效应试验表明 :除草专用肥对大田早期莎草及阔叶杂草的防效较好 ;大田中后期防效有所下降。应用除草专用肥可提高成穗率7.6%,增加有效穗数 ,提高结实率 ,实现穗大粒多 ,集除草、追肥于一体 ,省时省工 。

The chemical weeding results and yield effects of early bred throw planting field are contrasted by using special weeding fertilizer and buclizine respectively. The test indicates that control effect of special weeding fertilizer is good to nutgrass flatsedge and broadleaf weed in field, while goes down at the middle and late stage . But application of special weeding fertilizer can improve percentage of earlbearing tiller by 7 6%, increase effectie spikes, raise setting percentage, realize big spikes and more grains, which can integrate weeding and fertilization into one body with saving time and labour.