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The effect of different bacterial fertilizers on the AL-soluble P2O5 content of soil, and the biomass of the rye-grass (Lolium perenne, L)
Published December 16, 2012

In pot experiment the effect of different bacterial fertilizers on some soil properties, and the amount of plant biomass were studied. The
experiment was set up in 2010 at the Department of Soil Science and Agricultural Chemistry, in a three replications in a random block design. The ryegrass (Lolium perenne, L.) was used as a test plan...t. The studied soil type was calcareous chernosem soil from Látókép. In our laboratory AL-soluble P2O5 content of soil, the phosphatase enzyme activityof soil, the dry weight of rye-grass, and the phosphorus content of rye-grass were determined.
The results of the study were the following:
– The bacterial fertilizers - by basic treatments NPK - had significant positive effect on the AL- soluble phosphorus content of the soil.
– The soil phosphatase enzyme activity was increased in all cases strongly by the microbial preparations used, the greatest impact was the Bactofil A bacterial fertilizer.
– The plant educed P values significantly increased by the effect of microbial products, in addition to the fund NPK. In this case, the EM-1 and Microbion UNC bacterial fertilizer were the effective.
– In case of the rye-grass biomass none of the bacterial preparations used caused any significant changes, either alone or when used them with straw treatment.

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