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豆科作物施用磷肥和有机肥是提高生物固氮效果的有效措施,这项措施还能合理解决农作物的磷素营养问题和更有效地增加土壤肥沃度。下面根据我们六十年代中期的田间试验结果及七十年代的调查结果对这个问题进行初步探讨。
The application of phosphate and organic fertilizers to leguminous crops is an effective measure to improve the biological nitrogen fixation. This measure can also rationally solve the problem of phosphorus nutrition of crops and increase soil fertility more effectively. The following is a preliminary discussion of this issue based on the results of our field tests in the mid-1960s and the seventies.