麦棉两熟种植方式经济效益比较梁理民，王增信，赵景耀王成陕西省棉花所三原７１３８００１麦棉产量我省麦棉两熟的主要种植方式有三二式、四二式、五二式、六二式４种。１９９１～１９９３年每公顷小麦平均产量分别为２８４８．５ｋｇ、３１０５ｋｇ、３８２３．５ｋｇ、... Comparison of Economic Benefits between Two Ways of Growing Wheat and Wheat Liang Limin, Wang Zengxin, Zhao Jingyao Wang Cheng Shaanxi Provincial Institute of Cotton, Sanyuan 7138001, China Wheat and cotton yield The main planting methods of double cropping wheat and cotton in our province include three two, four two, five two and six 4 types. From 1991 to 1993, the average yields of wheat per hectare were 2848.5kg, 3105kg, 3823.5kg, respectively