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大株留种是洋葱种子生产上惯用的繁殖方法,但洋葱种株后期花茎太多,给栽培管理带来许多困难,稀植又直接影响洋葱的采种数量。为了提高洋葱留种田的经济效益调动农民制种的积极性,我们采取大小畦栽培留种洋葱、地膜覆盖套作马铃薯的方法,取得了较好的效果。
It is a common propagation method for onion seeds to grow in large plants. However, too many late-stage stems of onion strains cause many difficulties in cultivation and management, and the sparse planting has a direct impact on the quantity of onion seeds. In order to increase the economic benefits of onion farming to arouse farmers’ enthusiasm for planting seeds, we adopted the method of planting small and medium sized onions and mulching with potatoes to make potatoes and achieved good results.