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Pesquisa Agropecuária Brasileira

Print version ISSN 0100-204XOn-line version ISSN 1678-3921

Abstract

MORAES, Milton Ferreira de et al. Response of greenhouse grown rice plant to sources of micronutrients with different granulometry and solubility. Pesq. agropec. bras. [online]. 2004, vol.39, n.6, pp.611-614. ISSN 0100-204X.  http://dx.doi.org/10.1590/S0100-204X2004000600015.

Both granulometry and solubility could affect the response of a crop to fertilizer application. The objective of this work was to compare the effect of a commercial source of micronutrients, in granular and powder form, with a mixture of pro analyse products. A completely randomized design, with three products, four replicates and four rates (0, 14, 28 and 56 mg dm-3 of soil) were used. The highest grain yield was due to the commercial product in powder form. Positive correlation was found between plant Zn and its content in the products.

Keywords : Oryza sativa; boron; copper; manganese; zinc; upland rice.

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