Published in Scientific Papers. Series A. Agronomy, Vol. LXVI, Issue 2
Written by Svitlana LEMISHKO, Mykola KHARYTONOV, Valentina PASHOVA, Yurii TKALICH
Main objective was to estimate impact of the pea seed treatments with bacterial fertilizers and bio-agents on the symbiotic nitrogen fixation process in the soil-plant system. Treatments of pea seed with bacterial preparations and bio-agents had different effects chemosynthesis with using nitrification energy derived from reactions involving inorganic chemicals in the rhizosphere of pea. The highest level of soil nitrification energy in the pea rhizosphere was recorded after phosphorus solubilization bacteria (PSB) + Paenibacillus polymyxa (PP) treatment option in the topsoil. The introduction of mineral fertilizers into the soil inhibited the growth of nitrification energy in the pea rhizosphere slightly. The highest pea seeds inoculation effect was observed when phosphorus-mobilizing bacteria (PSB) were combined with Paenibacillus polymyxa (PP). The maximum level of symbiotic nitrogen fixation was noted after pea seed treatments with bio- agent Agat-25 K and PGR Reacom-C.
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