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根据宁夏平罗县的自然条件 ,分析了紫花苜蓿在平罗县农业系统中的耦合点及耦合效应 ,结果表明 :在平罗县种植紫花苜蓿具有良好的经济效益 ,成本纯收益率可达 2 15 83% ,同时预测了紫花苜蓿在平罗县的发展前景。
According to the natural conditions of Pingluo County in Ningxia, the coupling point and coupling effect of alfalfa in the agricultural system of Pingluo County were analyzed. The results showed that planting alfalfa in Pingluo County had good economic benefits and the net profit rate of return was up to 2 15 83%, at the same time predicted the development of alfalfa in Pingluo County.