Influence of the application Dimabac and Fitomas-E above tomato (Solanum lycopersicum L.) on field conditions
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Abstract
The joint application of microbial biofertilizers and biostimulants chemical nature is the tematic even little studied. Its present studies is had the objective to evaluate the influence of the bioproducts DIMABAC and FitoMas E in the chemistry properties and populations of Azotobacter chroococcum and Bacillus subtilis in Typical red ferralitic soils. The variety “Vyta” of tomato was employed under
field conditions during two campaigns 2009-2010 and 2010-2011. Were mounted seven treatments which consisted of the combination of different concentrations of nitrogen fertilization and bioproducts FitoMas E and DIMABAC taking witness 100 % recommended nitrogen fertilization of tomato crops. The main results show inoculation with both bioproducts and 70 % nitrogen fertilization (T2) and 100 % nitrogen fertilization of the recommended culture (T7), significantly increased the content of nitrogen and phosphorus in the leaves of plants relative to other treatments evaluated also generally appreciated that treatment T2 (FitoMas E and DIMABAC more 70 % nitrogen fertilization) showed a beneficial impact on soil chemical properties, yield and components without altering the populations of A. chroococcum and B. subtilis. This is a nutritional alternative that reduces 30 % of nitrogen fertilization on tomato production in the country.
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