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Performance of maize landrace under no-till as affected by the organic and mineral fertilizers

DOI: 10.1590/S1516-89132012000200006

Keywords: zea mays, reactive natural phosphate, nitrogen fertilization, poultry litter.

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Abstract:

the aim of this work was to study the effects of organic and mineral fertilizers at sowing (without fertilizers, organic poultry litter fertilizer on the surface and mineral nk + reactive natural phosphate from arad and nk + triple superphosphate in the furrow) and topdressing (without fertilizers, organic poultry litter fertilization and urea) on chemical attributes of a no-till oxisol and nutrition and yield of maize landrace (zea mays l.), carioca variety in a field experiment. results revealed that p content (mehlich 1 and resin) was increased in the soil surface layer with organic poultry litter fertilizer on the surface at sowing. mineral fertilizer in the sowing furrow could be replaced by organic fertilizer with poultry litter on the surface, but topdressing fertilization with urea resulted better n nutrition for the plants and higher grains yield than the organic poultry litter fertilization.

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