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东农40是东北农业大学培育的早熟大豆新品种,1993年引入我市作春大豆试种,主要作菜用鲜毛豆上市,在小区试验中亩产鲜荚664kg,产量居首位,亩收入1590元。为了进一步掌握该品种的生育特性,探索高产栽培技术,以早取胜,1997年我们进行了东农40大豆不同播期的春播试验,试验结果表明该品种耐低温、熟期早、产量高、适应性广,种豆经济效益好,亩产鲜豆荚500kg以上,亩产值800～1000元。现将试验结果及其高产栽培技术整理归纳如下:
Dongnong 40 is a new early-maturing soybean cultivar cultivated by Northeast Agricultural University. In 1993, it was introduced into spring soybean trial in our city. Main agricultural products were fresh soybean with soybean put on the market. In the plot test, 664kg of fresh pod per mu was produced with the highest yield, 1590 yuan. In order to further understand the reproductive characteristics of this variety and explore high-yielding cultivation techniques in order to win early, we conducted spring sowing tests on different sowing dates of Dongnong 40 in 1997. The results showed that this variety is resistant to low temperature, early maturity, high yield, Broad sex, beans economic benefits, more than 500kg per mu fresh pods, per acre 800 ~ 1000 yuan. The test results and high-yielding cultivation techniques are summarized as follows: