论文部分内容阅读
坡地大垄沟耕作技术是一项通过垄沟耕作 ,把坡地变成一排排条形水平梯田 ,从而增强截水保肥能力 ,提高作物产量的旱作栽培技术。1 997年陕西省农业发展办公室把该技术列入省农业科技重点推广项目 ,由省农技推广总站组织在延安、榆林两市实施。 1 997~ 1 999年 3年累计推广 52
The large furrow cultivation technology in sloping fields is a dry cultivation technique that improves the water cutoff and fertilizer holding capacity and increases the crop yield by cultivating furrows and converting the sloping fields into rows of horizontal rows of terraced rice terraces. Shaanxi Provincial Agricultural Development Office in 1997 put the technology included in the provincial key agricultural science and technology promotion projects, organized by the Provincial Agricultural Technology Extension Station in Yan’an, Yulin, the implementation of the two cities. 1997-1999 3 years to promote a total of 52