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Revista Ceres

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CARVALHO, Abner José de; ANDRADE, Messias José Bastos de; GUIMARAES, Rubens José  and  MORAIS, Augusto Ramalho de. Production systems of bean intercropped with establishing coffee crop or after stumping. Rev. Ceres [online]. 2010, vol.57, n.3, pp.383-392. ISSN 0034-737X.

Intercropping of annual crops with coffee crop has been used since the introduction of coffee cultivation in Brazil. However, the last available results have been obtained with old cultivars and exceeded distance between lines. Aiming to study the effect of row numbers and NPK doses applied to bean intercropped with coffee trees, two field experiments were conducted at the Federal University of Lavras. The experiments were carried out in two commercial coffee crops: establishing cv. Topázio and cv. Acaiá stumped at 40 cm from the soil level. Both coffee crops were intercropped with bean in the dry and the rainy seasons. The experiments were arranged in randomized blocks design, with three replicates and a 4 x 4 + 1 factorial scheme, involving four numbers of intercalar rows of bean (one, two, three and four) and four doses of the NPK fertilization recommended for the bean monoculture (0, 50, 100 and 150%), and an additional treatment (monoculture of coffee or bean). The results allowed to conclude that the increase in the number of bean rows increased the legume grain yield in intercropping with coffee, regardless of the fertilization dose, the crop management (establishing or stumping) and year season, but reduced the increase in stem diameter of the establishing coffee crop, node emission and growth of plagiotropic branches both in the establishing and stumping coffee plants. NPK fertilization equivalent to up to 150% of the dose recommended for bean monoculture did not influence grain yield of the legume intercropped with coffee plants.

Keywords : Coffea arabica L; fertilization; intercropping; Phaseolus vulgaris L.

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