黄瓜施肥量的简易估算法

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目前在黄瓜生产中,盲目施肥问题仍很突出,主要是氮素化肥用量过大,钾肥严重不足,不仅造成氮化肥浪费,影响了产量继续提高,同时还降低了品质,污染了环境。测土施肥法在粮食作物上已大面积应用,效果显著,但用于蔬菜生产,由于菜地复种指数高,土壤肥沃,施肥量多,所得各项参数差异很大,难以达到预期目的;田间试验法虽属计算蔬菜施肥量的最好方法,但费工、费时,且在目前个体分散种植的条件下,所得结果指导施肥面积太小,亦不理想。为此,我们在研究黄瓜吸肥规律和施肥技术的基础上,于1991~ At present, in the production of cucumbers, the problem of blindly applying fertilizers is still prominent. The main reason is that the excessive use of nitrogenous fertilizers and the serious shortage of potash fertilizer not only result in the waste of nitrogenous fertilizers, but also affect the continuous improvement of output and the quality and pollution of the environment. Soil testing and fertilization method has been applied widely on food crops, and the effect is obvious. But for vegetable production, because of the high multiplying index of vegetable field, fertile soil and large amount of fertilizers, the obtained parameters vary greatly and it is difficult to achieve the expected purpose. Although the test method is the best way to calculate the amount of vegetable fertilizer, but the time-consuming, time-consuming, and under the conditions of the current individual decentralized cultivation, the results give guidance fertilization area is too small, is not ideal. To this end, we study the absorption of cucumber and fertilizer based on the law, in 1991 ~
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