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豆类作物根瘤菌种产量高豆类作物根系上的瘤能固定空气的游离氮素，形成的根瘤菌可供豆类作物利用与改良士壤。据在大豆、绿豆、蚕豆上试验，比不拌种的提高产量２０％～４０％。（１）根瘤菌剂的制作。在上年的豆类作物地里，选生长良好的植株，加强管理，摘除花蕾，在盛...
Rhizobium Leguminous Crops Legumes on the roots of legumes can immobilize free nitrogen in the air and form rhizobia for the utilization and improvement of leguminous crops. According to soybeans, mung beans, broad beans on the test, than the non-seed to increase the yield of 20% to 40%. (1) rhizobium agent production. In the last year’s crop of beans, grow well-selected plants, strengthen management, removal of buds, in Sheng ...