移栽油菜地膜覆盖的增产效应

Effect of Covering Plastic Film on Increasing Yield of Trausplanted Rape

油菜铺膜打孔移栽,能节省劳力和用种量,有增温保墒、改善土壤理化性状、减轻病害发生程度、控制杂草生长、充分利用有效养分、促进油菜生长发育、提高产量和品质的作用,比无膜移栽每公顷可增产787.5kg,增42.8%,增产效果明显。

It can save labour and seed,increase temperature,preserve the moisture of the soil,improve the soil properties,reduce the disease,control the weeds,promote growth,increase yield and quality by covering plastic film on rape,drilling hole on the film and transplanting the rape. It will increase yield 787.5 kg·ha^-1 by 42.8% more than the transplanting without the plastic film.