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Pastos y Forrajes
versão impressa ISSN 0864-0394
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BUGARIN, J et al. Evaluation of two Leucaena species, associated to Brachiaria brizantha and Clitoria ternatea in a silvopastoral system from Nayarit, Mexico: I. Agronomic performance. Pastos y Forrajes [online]. 2009, vol.32, n.4, pp. 1-1. ISSN 0864-0394.
This study was conducted with the objective of evaluating the agronomic performance of two Leucaena species, associated to Brachiaria brizantha and Clitoria ternatea in a silvopastoral system in the northern coastal prairie of the Nayarit state, Mexico. A randomized block design was used with four repetitions per treatment (legume:grass proportion): 1) L. leucocephala-B. brizantha (30:70); 2) L. glauca-B. brizantha (30:70); 3) L. leucocephala-B. brizantha- C. ternatea (28:52:20); 4) L. glauca-B. brizantha-C. ternatea (28:52:20); 5) B. brizantha (100). Tree growth was measured on a monthly basis, in addition to survival and the performance of the legume:grass relationship in the system. L. glauca showed more height (66 cm) and diameter (0,98 cm) when combined with B. brizantha and C. ternatea, and L. leucocephala showed a higher number of branches (8,7) and more height (4,5 cm). Regarding survival, values of 70 to 80% were observed after a year of implementing the system. According to the results, the mixture of the tree legumes with C. ternatea and B. brizantha is concluded to be an important choice under the ecological conditions of the Mexican dry tropic.
Palavras-chave : Evaluation; Brachiaria brizantha; Clitoria ternatea; Leucaena spp.