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大豆是我社主要夏播作物之一,常年收获面积1600亩左右,占夏播面积50％以上。为了摸索夏大豆生长发育规律,为改进现行栽培措施提供依据,达到提高产量的目的,我们从1972年开始,在柳瞳大队科技队大豆丰产田,对“向阳1号”夏大豆进行了田间定点观察,以及取样室内分析。现将初步观察分析结果整理如下。
Soybean is one of the main summer sow crops of our society, with an annual harvest area of about 1,600 mu, accounting for more than 50% of summer sowing area. In order to explore the laws of summer soybean growth and development, in order to provide the basis for improving the current cultivation measures to achieve the purpose of increasing production, we started in 1972, Liu Hittite team science and technology team soybean yield field, “Xiangyang 1” summer soybean field fixed point Observation, as well as sampling indoor analysis. The preliminary observation and analysis are summarized as follows.