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为了充分利用土立壕等保护地的有效面积,增加复种指数,提高经济效益,可在土立壕内定植黄瓜或番茄之前,抢种一茬小白菜。小白菜应选“义县青帮”或其它不包心白菜品种。播种前,施入
In order to make full use of the effective area of protected areas such as Tailorou and increase the mulching index and increase economic benefits, it is possible to grab a row of cabbage before planting cucumbers or tomatoes in the trenches. Chinese cabbage should be selected “Yixian Green Gang” or other non-cabbage varieties. Sow before planting