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豫南稻区麦茬水稻产量较低,其重要原因是肥料不足。在小麦、水稻两茬作物之间种植一茬绿肥,每亩可获得鲜草1000—3000公斤,这对提高水稻产量,改良土壤,培肥地力有显着效果。麦收后种植绿肥,解决了水稻肥料不足的矛盾,开辟了一条有机肥发展水稻生产的新途径。多年的试验结果表明,柽麻,绿豆,细绿萍等绿肥作物的适应性强,鲜草产量高,适宜于麦茬水稻掩青作底肥。
The output of wheat stubble rice in the south of Henan Province is low, which is mainly due to the shortage of fertilizers. In the wheat, two crops of rice planted a crop of green manure, per acre available fresh grass 1000-3000 kg, which improve rice yield, improve soil fertility and fertility have a significant effect. Wheat harvest after planting green manure, solve the contradiction between lack of fertilizer, open up a new way of organic fertilizer development of rice production. Years of test results showed that the adaptability of green manure, mung bean, fine green Ping and other green crops are strong, fresh grass yield, suitable for rice stubble cover as a base fertilizer.