Abstract
The study of plants of the family of leguminous plants has shown great potential in the recovery of soil productivity, in addition to being a profitable practice. This work was aimed at assessing the response of quality indicators of sugarcane subjected to four different species of crotalaria, used as green manure during the period of reform of cane. The experiment was conducted in the commercial area of sugarcane in an Acrustox dystrophic, in Eldorado Group ETH Bioenergy Plant S/A, in the municipality of Rio Brilhante, MS. The installation of the treatments was held in october 2008, with the planting of four varieties of crotalaria. In june 2009 was held the planting of sugarcane, being that in the period leading up to rut were made of desiccation and incorporation operations with harrowing of legumes in the soil. Thus, the experimental design was entirely blocks, consisting of six treatments: T1: witness, T2: Crotalaria breviflora , T3: Crotalaria juncea , T4: Crotalaria ochroleuca , T5: Crotalaria spectabilis and T6: NPK fertilization, each with four repetitions. Manually three lines were drawn with Central 10 meters long in each installment, for the evaluation of quality indicators. There was no significance in statistical analysis of the effect of legumes on indicators of quality of sugarcane; although insignificant difference compared the averages, Crotalaria juncea can contribute in total or partial elimination of fertilization.
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