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Combined agricultural practices in millet and cactus: phyllochron, structural characteristics and relations with yield

Silva, Gabriel Italo Novaes da; Jardim, Alexandre Maniçoba da Rosa Ferraz; Souza, Marcondes de Sá; Araújo Júnior, George do Nascimento; Morais, José Edson Florentino de; Souza, Luciana Sandra Bastos de; Souza, Carlos André Alves de; Alves, Cleber Pereira; Araújo, Gherman Garcia Leal de; Montenegro, Abelardo Antônio de Assunção; Lima, Breno Leonan de Carvalho; Silva, Thieres George Freire da.
Sci. agric; 80: e20220046, 2023. tab, graf
Artigo em Inglês | VETINDEX | ID: biblio-1427780

Resumo

Variation in rainfall affects crops; therefore, agricultural practices become essential for forage production in semi-arid regions. This study aimed to evaluate the influence of different agricultural practices on phyllochron, structural characteristics of forage cactus and millet, and their relations with crop yield using the principal component analysis (PCA). The design was in randomized blocks, with six treatments: sole cropped cactus without straw mulching, sole cropped cactus with straw mulching, sole cropped millet without straw mulching, sole cropped millet with straw mulching, and cactus intercropping with millet, with and without straw mulching, each with four replicates. There were three cactus cycles and nine millet cycles (three cycles of cultivars BRS1501 and six of IPA Bulk-1-BF). Biometric parameters were evaluated monthly, while yield was determined after the crop harvest. Phyllochron was determined with the regression analysis. The PCA was applied to structural characteristics and yield. The systems adopted did not influence the structural characteristics of cactus and millet ( p > 0.05), except for cladode thickness, which increased with straw mulching. Phyllochron of the millet reduced when the crop was intercropped. The structural characteristics of cladode length, width, and thickness influenced crop yield, mainly in systems with straw mulching. Straw mulching and intercropping alter phyllochron of cactus and millet. The adoption of straw mulching has a more significant relationship with cactus yield, whereas biometric variables influence crop yield for millet, not the cropping system.(AU)
Biblioteca responsável: BR68.1