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现行大白菜播种需经翻耕、碎土、平整等多道工序,不仅劳动强度大,而且颇费时日,尤其是多雨之秋,影响翻耕整田,延误播种季节。为了节省劳力,克服大白菜播种前可能遇到的不利气候条件,我们于1983年～1987年,在西瓜、冬瓜和夏茭后茬地开展了大白菜免耕试验,并已取得了成效,现将有关试验结果综合如下:
The current cabbage sowing by tillage, soil crushing, smoothing and other processes, not only labor-intensive, but also a long time, especially the rainy autumn, affect the entire field of tillage, delay the sowing season. In order to save labor and overcome unfavorable climatic conditions that may be encountered before Chinese cabbage sowing, we carried out no-tillage cabbage trials in 1983-1987 in watermelon, winter melon and summer hay. The relevant test results are summarized as follows: