Maize (Zea mays) intercropping in a silvopastoral system with Brachiaria hybrid cv. Mulato and Leucaena leucocephala cv. Peru
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Abstract
plants and yield in mulato grass. Botanical composition, availability and bromatological composition of the grassland were determined. SAS 9.1 software was used for the statistical analysis of the evaluated indicators. In treatment A, leucaena showed higher height values (P < 0.01) (108.67 cm vs. 93.73 cm), yield (P < 0.01) (90.20 vs. 75.10 g DM plants-1), number of stalks plant-1 (P < 0.001) (12.91 vs.
10.61) and number of plants (P < 0.001) (4.96 vs. 3.83). In this treatment, mulato grass showed higher number of plants (P < 0.01) (8.50 vs. 6.10) and yield (P < 0.001) (300.15 vs. 250.02 g DM plants.1). Percentage of mulato grass was also higher (66% vs. 50%) with this treatment. The remaining grasses did not differ. There was a higher availability (P < 0.05) in the treatment with maize (7.8 vs. 5.8 t DM ha-1). It is concluded that maize intercropping in a simultaneous sowing of leucaena and mulato grass favors leucaena establishment
and does not affect the grass. Results indicate the possibility of establishing silvopatoral systems with leucaena and mulato grass of recent introduction in our country through maize intercropping in the sowings, with the advantage of grain harvesting and possible sale to cover the establishment expenses.
Key words: leucaena, grass, simultaneous sowing, silvopastoril system
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