Study of Gluconacetobacter diazotrophicus-tropical viands asociation established over Red Ferralitic soil. II. Determination of more effective inoculation method for Gluconacetobacter diazotrophicus incoporation to sweet potato, yucca and aurum crops
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Abstract
tropical viands. This aspect except in sweet potato constitutes
a first report. For the speciality and since agrobiological point
of view it open new roads to commercial inoculants drawing
that nowdays does not exist in the merchants for these crops
benefice. That is why the scientific, technological and
environmental impacts of the investigation. The experiment
was made on INIFAT areas over Red Ferralitic soil using a
Hazard Blocks Drawing and a block of 50 m2 with four replicas
by treatments. Final concentration of bioproduct was
3.5x10 11 UFCxmL-1. It was using by a dose of 0.2 mL/m2. The most effective method (foliar and soil inoculation) belong to obtained increases between 3 and 5 t/ha on sweet potato, yucca and aurum. This represents a average economic benefice of 720 MN/ha with roots and tubers of high commercial quality. It was also formulated a new medium (patent object). It was permit bioproduct application on reduce dose by surface unit and reduce fermentation time.
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