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1、大豆幼苗在能有效地固氮之前,必须获得大量有益根瘤菌。土壤中移植颗粒状菌种可提供许多根瘤菌,这些种子周围的根瘤菌可为幼苗提供比常规种子接种法多20倍以上的有益根瘤菌。
1, soybean seedlings can effectively nitrogen fixation, you must get a lot of beneficial rhizobia. Rhizobia around these seeds can provide beneficial rhizobia for seedlings more than 20 times more than conventional seed inoculation methods.