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Revista Ceres

versão impressa ISSN 0034-737Xversão On-line ISSN 2177-3491

Resumo

LOPES, José Francisco et al. Productivity and mineral composition of common bean in response to fertilization with molybdenum and nickel. Rev. Ceres [online]. 2016, vol.63, n.3, pp.419-426. ISSN 2177-3491.  https://doi.org/10.1590/0034-737X201663030020.

Nickel and molybdenum are essential micronutrients that have the ability to affect the growth and development of the bean. In this sense, the objective of this research was to assess the productivity, the growth and the mineral composition of 'Ouro Vermelho' bean in response to fertilization with molybdenum (Mo) and nickel (Ni). The field work was conducted at "Instituto Federal de Educação Ciência e Tecnologia do Espírito Santo (IFES/Alegre-ES)" in argisoil gray dystrophic haplic acrisol. The experiment was performed in 5 x 2 factorial with 5 doses of Ni (0; 15; 30; 45 and 60 g ha-1) and Mo (0 and 80 g ha-1) in a randomized block design, repeated four times. The foliar application of Ni and Mo was done 25 days after the seeding by means hand sprayer. The characteristics evaluated were: final stand, height, yield, number of pods per plant, number of seeds per pod, weight of 100 seeds and the contents of N, P, K, Fe, Mo, and Ni. Following this could be verified that the molybdenum fertilization increased the content of N within leaf, decreased the content of Fe within seed, and furthermore in case of high dose of Ni the content of Ni within seeds was decreased. The doses of Ni increased the content of N within the leaf, and also when the molybdenum is added the content of Fe within the seeds increased. The number of beans per pod increased after the application of Ni and dry weight of shoots with molybdenum fertilization. The fertilization with 80 g ha-1 of Mo and 60 g ha-1 with Ni increased in 12,71% and 29,69%, respectively, the productivity of bean.

Palavras-chave : Phaseolus vulgaris L; micronutrient; foliar fertilization.

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