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为增加春季蔬菜的花色品种,调节市场供应,我们利用棚室进行豇豆早春栽培并获得成功,平均667米2产鲜豆角2000千克,纯效益达1.2万元。1选种良种选择生长势强、抗
In order to increase the variety of spring vegetables and adjust the market supply, we used the greenhouse for cowpea cultivation in early spring and achieved success. The average output of 667 m 2 fresh beans was 2000 kg and the net profit was 12 thousand yuan. 1 selection of seed selection strong growth potential, anti