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Biological Nitrogen Fixation: Research Needs for Agricultural Development in the Tropics

机译：生物固氮：热带农业发展的研究需求

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The biological knowledge and technology, and the training and organization of human resources needed to develop a program in biological nitrogen fixation are discussed. Nitrogen, essential for plant growth and for protein and carbohydrate production, is critically important in the growing world food shortage. The use of legumes and inocultants to produce fixed nitrogen is considered and an alternative to factory fixation of N2. Legumes are a major part of the native vegetation in tropical regions, yet only a few species have been developed for agricultural use. Optimal culture of legumes requires both an adequate supply of legume seeds and cultures of rhizobia and proper use by the grower. Principles regarding various aspects of biological nitrogen fixation, adapted from six recently published reviews are listed.

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