【摘要】 通过对坡耕地不同耕作法在不同年份、不同作物、水分利用效率、水土保持效果等综合效应的分析，认为以梯田的综合效应最好；而增施肥料、增加地面覆盖度则是改变当地目前产量低而不稳的突破口。故建议在坚持大修梯田的同时，并注意培肥土壤和增加地面覆盖度，以达到稳产高产。更多还原

【Abstract】 Based on the analysis of comprehensive effects of different tillages in different year, crops,water use efficiency,and water and soil conservation benefits etc,it is showed that the terrace is the best one.Increasing fertility and film mulch are the way to increase product.So,in practice,we must build terrace in larger scale in one hand,and increase fertility invasting and film mulch in another hand.更多还原