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1 选择合适品种为确保后茬适时让茬,在品种选择上油菜可选用早熟杂交油菜如蓉油4号、蓉油6号、油研7号、油研8号、华杂4号等品种,西瓜品种宜选用早中熟品种,如京欣1号、抗病京欣、郑杂5号、郑杂7号、丰乐5号等,棉花宜选用抗棉铃虫品种,保铃棉32B、中抗29、保铃棉1560BG等。 2 间套作配套方式秋栽油菜前先作畦,预留好瓜棉行。具体方法是:以每隔4m为一个大畦面,作好后,在其中间预留0.7m的西瓜行过冬,并在两边开好沟,沟宽0.35m,作成畦面为1.3m的油菜畦面。
1 Select the appropriate varieties In order to ensure timely stubble after stubble, the choice of rape varieties can choose early hybrid rapeseed such as Rong 4, Rong 6, Youyan 7, Youyan 8, Huazhao 4 and other varieties, Early varieties of watermelon should use early maturing varieties, such as Beijing Xin 1, disease resistance Beijing Xin, Zheng hybrid 5, Zheng hybrid 7, Fengle No. 5, cotton should use cotton bollworm varieties, bollworms 32B, in Anti-29, Paul cotton 1560BG and so on. 2 sets of supporting methods for autumn before planting rapeseed 预, set aside a good melon cotton line. The specific method is: to every 4m for a large noodles, make good, in the middle of 0.7m watermelon set aside for the winter, and on both sides of a good ditch, groove width 0.35m, made noodles with 1.3m rape Noodles.