Contour farming
... 堆肥Composts 等高耕作Contour farming 受控燃烧Controlled burning ...
Contour ploughing
... Continuous variation 连续变异 Contour ploughing 等高耕作 Contraceptive barrier 避孕屏障 ...
[农学] contour tillage
... contour strip cropping 等高带状种植 contour tillage 等高耕作 contour value 等高线数值(责任编辑:admin) ...
[农学] contour plowing
... contour planting 等高栽植 contour plowing 等高耕作 contour strip cropping 等高带状种植 ...
等高耕作,或称横坡耕作,是指在坡面上沿等高方向所实施之耕犁、作畦及栽培等作业。形成等高沟垄和作物条垄,是保持水土、提高抗旱能力的保土耕作方法。等高耕作的目的是增强水分人渗与保蓄能力,调控径流及减少土壤冲蚀。沿等高线进行横坡耕作,在犁沟平行于等高线方向会形成许多“蓄水沟”,能有效地拦蓄地表径流,增加土壤水分入渗率,减少水土流失,有利于作物生长发育,提高单位面积产量。