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一、轮作倒茬绿豆为重要的肥地作物,是禾谷类作物的优良前作。在轮作中有重要地位。古籍《齐民要术》中记有“凡美田之法,绿豆为上,小豆胡麻次之”,“凡谷田,绿豆底为上。南方多在稻作前后种植,北方多在小麦前后种植,高海拔冷凉地区多与棵燕麦(莜麦)马铃薯轮作”。 绿豆忌连作。“豆地年年调,产量年年高”。绿豆轮作模式有: 1.一年一作 绿豆——谷子、高粱或玉米; 2.一年两作小麦——绿豆;
First, the rotation cropping mung bean is an important fat crop, cereal crops are fine pre-work. In rotation there is an important position. Ancient books “Qi Min Yao Shu” recorded in the “Where the law of the United States, mung beans, bean flax second,” “Where Valley, mung bean at the end of the South and more before and after planting in rice, north and more before and after planting in wheat, More high altitude cool area with oats (oats) potato rotation. ” Green beans bogey. “Bean every year tune, production year after year.” Mung bean rotation modes are: 1. Mung bean for one year - millet, sorghum or corn; 2. Year for two wheat - green beans;