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我县种植蚕豆面积较大,但纯作单产只有200—300斤。为探索蚕豆高产规律,我们连续种了四年纯作高产试验田。第一年亩产625.3斤;第二年亩产614.5斤,去年因严重干旱和黄化病,亩产246.3斤;本年种了2,236亩,平均单产684.1斤,其中1.039亩亩产751.8斤。现将今年试验田的基本情况和高产主要技术介绍如下。
My county planted a larger area of broad beans, but the pure yield of only 200-300 pounds. In order to explore the law of high yield of broad beans, we planted four consecutive years of pure high-yielding experimental field. 625.3 kg in the first year; 614.5 kg in the second year; 246.3 kg per mu last year due to severe drought and yellowing disease; 2,236 mu was planted this year with an average yield of 684.1 kg, of which 1.039 mu was 751.8 kg per mu. The experimental field this year, the basic situation and high yield of major technologies are as follows.