Evaluation of the combined inoculation Bradyrhizobium elkanii-MA fungi and the application of a bioestimulator of the vegetable growth in soya, sowed in spring time
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Abstract
conditions on a Leached Red Ferralítico soil, located in the
areas of the National Institute of Agricultural Sciences, with
the objective of evaluating the effect of the combined
inoculation of Bradyrhizobium elkanii and a strain of
mycorrhizal fungi, as well as of the application of a
bioestimulator of the vegetable growth, on the growth and
yield of cultivating of soybean INCAsoy-24, sowed in spring
time. A design of blocks at random with four repetitions for
treatment, which consisted on the inoculation of these
microorganisms, by means of the Pellet of Seeds Technology,
in their simple forms and cocktails, as well as the application
for different roads of the biostimulator of the vegetable growth
to the previously signal treatments. The results showed a
positive effect of the coinoculation of both biofertilizer on the
growth and yield of this to cultivate of soybean, with an
increment of the yield of 43,06 %, what demonstrates the
sinergical and beneficial effects of the combined application
Bradyrhizobium elkanii-arbuscular micorrhizae in this
cultivation. The increments were lightly superior with the
application to this treatment of the stimulative one of the
vegetable growth, mainly with the recovering the seeds or the
application to foliate of the product, the values of the increment
oscillated between 50,69 and 55,56 % respectively. The
treatments where the biostimulant was applied they produced
superior yields to its controls where the product was not
applied, being obtained increments in the production between
1,45 and 25,00 % according to the evaluated treatment, being
demonstrated effectiveness of the same one in the stimulation
of the vegetable growth.
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