蓄水覆盖丰产沟耕作技术简介庆阳县农技中心（７４５１００）张世军１选地与规格一般要求选择坡度不大于１５度的缓坡地将旱坡地沿等高线筑成有沟有垄的水平耕作带，生土起垄，活土填沟，组成一个“生土垄”和“种植沟”，耕作带的规格可因地块因作物而设置，种植玉米、高... Brief introduction of farming cover Fengcun Gully farming technology Qingyang County Agricultural Technology Center (745100) Zhang Shijun 1 Selection and specifications General requirements Select a gentle slope of not more than 15 degrees of slope will slope along the contours of the ridge into a ditch horizontal cultivation Bringing earth and raising furrows, filling the earth with live soil and forming a “raw soil ridge” and “planting ditch”. The specifications of the farming belt can be set by crops due to the plot, planting corn, high ...