【摘要】 经过对效益的综合评价 ,在所有供试处理中 ,“油菜 | |紫云英 /玉米 /玉米 | |绿豆”的效益最佳 ,“油菜×紫云英 -玉米 -玉米”次之。这两种耕作制度均可兼顾经济、社会和生态效益 ,保证农民增产增收 ,实现农业生产的可持续发展 ,是值得在红壤旱地上推广应用的两种双季玉米耕作制度更多还原

【Abstract】 By principal component analysis, it is concluded that among several tested cropping systems, “rape||Chinese milk vetch/maize/maize||mung bean” has the best comprehensive effects, which is followed by “Chinese milk vetch×rape-maize-maize”. These two cropping systems can cover the benefit of social, economic and ecological aspects, realize sustainable development of agricultural production, and be popularized and applied as double-cropping maize systems on upland red soil.更多还原