“江川高棵”油菜用作麦后绿肥,比作稻田春播绿肥优越.夏播无冻害,夏秋季温、温度高,适宜油菜生长;夏茬较肥,符合油菜需肥特性,一般产草量高.1980年土肥研究所基地麦后复种试验,8月15日播种,10月4日翻压时株高130～150厘米,鲜草7337～7470斤/亩,密度8～4.6万株/亩.1981年在平罗、青铜峡、灵武帮中卫等地种植,反 “Jiangchuan tall ” rape used as post-wheat green manure, compared to paddy field sowing green manure superior. Summer sowing without freezing injury, summer and autumn temperatures, high temperature, suitable for rape growth; Summer stubble more fat, in line with the need for fertilizer rapeseed characteristics, The grass was high in 1980. The research base of wheat and wheat after multiple cropping in 1980 was sown on August 15 and the plant height was 130-150 cm when pressed on October 4 and the fresh grass was 7337-7470 kg / / Mu in 1981 in Pingluo, Qingtongxia, Lingwu help Zhongwei and other places planted, anti