RESUMO.Estudaram-se os monocultivos da mandioquinha-salsa cv. Amarela de Carandaí, Arracacia xanthorrhiza (Umbelliferae), da beterraba cv. Tall Top Early Wonder, Beta vulgaris L. (Chenopodiaceae) e da alface cv. Grand Rapids, Lactuca sativa L. (Asteraceae), além dos consórcios mandioquinha-beterraba e mandioquinha-alface. Os cinco tratamentos foram arranjados no delineamento experimental em blocos casualizados, com três blocos e duas repetições internas em cada bloco. Foram avaliadas as massas frescas e secas das cabeças da alface, da parte aérea e das raízes da beterraba e das partes aéreas, rebentos, coroas e raízes da mandioquinha-salsa. Também foram avaliados os diâmetros das cabeças da alface e das raízes da beterraba. Os consórcios foram avaliados em função da razão de área equivalente (RAE) e da renda bruta. As três espécies apresentaram produção superior em monocultivo, em todas as características avaliadas. Considerando-se as produtividades de raízes totais e de raízes comercializáveis, respectivamente, a RAE para o consórcio mandioquinha-beterraba foi de 1,07 e 0,87 e para mandioquinha-alface foi 1,3 e 1,1. O consórcio mandioquinhaalface propiciou renda bruta de R$ 40.970,00. Concluiu-se que o consórcio da mandioquinha-salsa com a alface é viável. Palavras-chave:Arracacia xanthorrhiza, Beta vulgaris, Lactuca sativa, razão de área equivalente. consorciação de hortaliças. ABSTRACT. Peruvian carrot yield in intercropping systems with lettuce and beet.It was studied the monoculture of Peruvian carrot, Arracacia xanthorrhiza (Umbelliferae), beet, Beta vulgaris L. (Chenopodiaceae) and lettuce Lactuca sativa L. (Asteraceae), besides Peruvian carrot x beet and Peruvian carrot x lettuce in intercropping systems. These five treatments were established in an experimental delineation in randomized blocks, with three blocks and two internal replications each block. The fresh and dry mass of lettuce heads, aerial parts and roots of beet and aerial parts, shoots, crowns and roots of Peruvian carrot were evaluated. Diameter of lettuce head and root of beet were evaluated too. Intercropping systems were evaluated using the "land equivalent ratio" (LER) and the gross income. The three species presented higher production in monoculture at all components. Considering the total yield of roots and commercial root, respectively, the LER to intercropping systems Peruvian carrot x beet was 1.07 and 0.87, and to peruvian carrot x lettuce intercropping systems was 1.3 and 1.1. The Peruvian carrot x lettuce intercropping systems propitiated gross income of R$ 40.970,00. It was concluded that the Peruvian carrot x lettuce intercropping systems is viable.
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