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我国农民利用绿肥来培肥土壤已有三千多年的历史了,礼记月命有“仲夏之月,犂以杀草,可以粪田畴,可以美土疆”(周代:公元前1134—247年)的记载,齐民要求(贾思勰,公元385—533年)记载有“凡美田之法,绿豆为上,小豆、胡麻次之。悉五、六月中重(禾冀)种,七、八月犂掩杀之,为春谷田,则每亩收十石,其美与蚕矢熟粪同”等记载。从这些记载中可以看出种植绿肥在我国农村中早有丰富的经验。
Our peasants use green manure to fertilize the soil for more than three thousand years, and the etiquette has the title of “Midsummer Month, plow to kill grass, can dung fields, you can land in the United States and Turkey” (Zhou Dynasty: 1134 BC- 247), Qi Min’s request (Jia Sijie, AD 385-533) records that “the law of the United States, mung beans for the upper, small beans, , Plow shady in August for Spring Valley, then received ten stone per acre, its beauty and silkworm cooked cooked fecal ”and other records. It can be seen from these records that planting green manure has long had rich experience in rural China.