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我省是全国夏大豆的主要产区,常年种植面积1600万亩以上,一般亩产120kg左右。为进一步提高大豆的单位面积产量,近几年,我们在深入实际调查,参考国内外良种繁育先进经验的基础上,对大豆的良种繁育技术和良繁体制等进行了研究,取得了一定成绩。1 问题的提出 大力推广优良品种,提高良种覆盖率,保持优良品种的种性是提高大豆产量的关键环
The province is the main producing area of the national summer soybean, perennial planting area of more than 16 million mu, generally about 120kg per mu. In order to further improve the yield per unit area of soybean, on the basis of thorough investigation and reference to the advanced experience of fine seed breeding at home and abroad in recent years, we have made some achievements in researches on the fine seed breeding techniques and system of soybean. 1 issue put forward to promote good varieties, improve the coverage of varieties, to maintain the variety of fine varieties is to increase the key to soybean yield