volume 62, issue 6, P534-542 2005
DOI: 10.1590/s0103-90162005000600004
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Abstract: ABSTRACT: Given their potential for biological nitrogen fixation, legumes used as green manure are an alternative source of nitrogen to crops, and can supplement or even replace mineral nitrogen fertilization. The utilization of nitrogen by sugarcane (Saccharum spp.) fertilized with sunn hemp (Crotalaria juncea L.) and ammonium sulphate (AS) was evaluated using the ), isotopic abundance of N (atoms % 15 N) in leaf +3 samples, and sugarcane productivity were used to calculate cumulative N, nitrogen in the plan…

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