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Ciência e Agrotecnologia

Print version ISSN 1413-7054On-line version ISSN 1981-1829


QUEIROZ, Luciano Rodrigues; COELHO, Fábio Cunha  and  BARROSO, Deborah Guerra. Maize crop in alley cropping system with perennials legumes. Ciênc. agrotec. [online]. 2007, vol.31, n.5, pp.1303-1309. ISSN 1413-7054.

The objective of this study was to evaluate the effects of perennials legumes, in N, P and K foliar concentration and maize productivity in alley cropping system, without phosphorus fertilization. Field experiments were carried out for two cycles, with legumes intercropping maize (UENF 506-8) in Field Research CCTA/UENF in Campos dos Goytacazes - RJ - Brazil. The treatments consisted of alley cropping system with the species: Albizia lebbeck (L.) Benth., Peltophorum dubium (Spreng.) Taub., Leucaena leucocephala (Lam.) de Wit., Cajanus cajan (L.) Millsp., Sesbania virgata (Cav.) Pers., Mimosa caesalpiniaefolia Benth., Gliricidia sepium (Jacq.) Pers. and two control treatments: sole maize with or without fertilizer NPK. Eight months after the plantation, the legumes species were pruned and incorporated in soil. Maize was sown interows legumes, in rows spaced 80 cm. New prune carried on sixty days after the first cut. In the second cycle, the crop handlings were similar to the first cycle. The experimental design consisted of randomized blocks with four replicates. In the alley cropping with Cajanus cajan the maize show the larger N foliar concentration, in first cycle. In the second cycle, maize+Gliricidia sepium, maize+Cajanus cajan and sole maize with NPK produced more grain than others treatments.

Keywords : Agroecology; Intercropping; Phytomass; Green Manure and Zea mays.

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