Biological nitrogen fixation associated with sugar cane and rice: contributions and prospects for improvement

¹⁵N isotope and N balance studies performed over the last few years have shown that several Brazilian varieties of sugarcane are capable of obtaining over 60% of their nitrogen (> 150 kg N ha⁻¹ year⁻¹) from biological nitrogen fixation (BNF). This may be due to the fact that this crop in Brazil h...

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