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我县川水地区小麦以“阿勃”品种为主，收获期集中在８月上旬。小麦是我县川水地区主栽作物，面积达５３３３．３ｈｍ￣２，如能利用小麦茬复种大白菜，对于增加粮、菜复种面积、提高产量和产值有着重要意义。“高原－３５６”小麦品种在我县的收获期集中在７月２４日左右，最早能在７月２１日收获，收获后≥５℃有效积温天数可由７５天左右提高到８５－９０天。大白菜的适宜生长温度为５－２５℃，其早、中、晚品种的生长天数分别≤７５天、８５天，和８５天以上，加之我县光照充足，年日照时数２５９８．５－２７７４．８小时，因此，选用“高原－３５６”小麦品种，收后复种早熟、中熟或部分晚熟品种大白菜，在理论上是完全可行的。从１９８９年开始，先后在碾伯黄家、岗沟土桥、贾湾、水磨湾等设点，复种大白菜的试验、示范，经过多年的努力，累计试验、示范推广面积４３．６ｈｍ￣２，取得明显的成效。
My county Chuanshui wheat to “Abel” varieties, the harvest concentrated in early August. Wheat is the main crop of the county in Sichuan-Sichuan region, an area of 5333.3hm ~ 2, such as the use of wheat stubble multiple cabbage, for increasing grain, vegetable area, increase production and output value is of great significance. “Plateau -356” wheat varieties in the county during the harvest focused on July 24 or so, the earliest harvest on July 21, after harvest ≥5 ℃ effective accumulated temperature days from 75 days to 85-90 days. The suitable growth temperature of Chinese cabbage is 5-25 ℃. The days of growth of early, middle and late varieties are less than 75 days, 85 days and more than 85 days, respectively. In addition, there is plenty of sunshine in our county, the annual sunshine hours is 2598.5-2774 .8 hours, therefore, the selection of “plateau -356” wheat varieties, after the recovery of early maturing, maturing or some late-maturing varieties of Chinese cabbage, in theory, is entirely feasible. Since 1989, we have tested and demonstrated multiple cropping of Chinese cabbage in such fields as grind Huangjia, Ganggou soil bridge, Jiawan, Shuimowan and so on. After many years of hard work, we have accumulated tests to demonstrate the promotion area of 43.6hm ~ 2 , Achieved remarkable results.