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EnglishThe objective of this study was to evaluate the productive potential and mineral composition of the forage cactus IPA-Sertânia (Nopalea cochenillifera Salm Dyck). This species was analyzed both in monoculture and intercropped with leucaena [Leucaena leucocephala (Lam.) De Wit.] and gliricidia [Gliricidia sepium (Jacq. Steud.], and was assessed with different sources of manure (cattle, sheep, goat, and broiler litter) serving as fertilizer. The experiment was conducted at the Experimental Station of the Instituto Agronomico de Pernambuco in Caruaru, PE, Brazil. Treatments were allocated in a split-plot arrangement in a randomized complete block design, with four replications. Main plots consisted of cropping systems, while the split-plots were dedicated to manure sources. Cactus harvest was carried out after two years of regrowth. Response variables included both production and nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), and magnesium (Mg) concentrations. No differences were observed for cactus production between the cropping systems, with an average value of 22.1Mg dry matter ha-1 2 years-1. In the intercropped systems, greater proximity to the legumes increased the production of the cactus in the treatments with the cattle and sheep manure, and increased the concentrations of P, K, and Mg, but not of N. The introduction of tree legumes, along with the application of manure, contributes to an increase in production and nutrient concentration of IPA-Sertânia cactus. Key words: fertilizer; intercropping; minerals; Nopalea; production portuguesObjetivou-se avaliar o potencial produtivo e a composicao mineral da palma forrageira IPA-Sertânia (Nopalea cochenillifera Salm Dyck), em cultivo isolado e consorciada com leucena [Leucaena leucocephala (Lam.) de Wit.] ou gliricidia [Gliricidia sepium (Jacq.) Steud.], e adubada com as fontes de esterco bovino, ovino, caprino e cama de frango. O experimento foi conduzido na Estacao Experimental do Instituto Agronomico de Pernambuco - IPA, em Caruaru. O delineamento foi casualizado em blocos, em parcelas subdivididas, com quatro repeticoes. As parcelas foram representadas pelos sistemas de cultivo e as subparcelas pelas fontes de esterco. A colheita da palma foi realizada aos dois anos de crescimento e analisada quanto a producao e aos teores de nitrogenio (N), fosforo (P), potassio (K), calcio (Ca) e magnesio (Mg). Nao foram observadas diferencas de producao da palma entre os sistemas de cultivo, atingindo valor medio de 22,1t ha-1 2 anos-1 de materia seca (MS). Nos sistemas consorciados, a maior proximidade com as leguminosas incrementou a producao da palma, nos tratamentos com os estercos bovino e ovino, e elevou os teores de P, K e Mg, mas nao os teores de N. A introducao de leguminosas arboreas, juntamente com a aplicacao dos estercos, contribui para elevar a producao e os niveis de nutrientes da palma IPA-Sertânia. Palavras-chave: adubacao; consorcio; minerais; Nopalea; producao

Forage production and mineral composition of cactus intercropped with legumes and fertilized with different sources of manure