Specimen of multi­functional action for growing spring wheat

Abstract

The purpose. Takeoff of efficient bacterial compositions on the basis of associative nitrogen-fixing microorganism Agrobacterium radiobacter and strains of phosphate-mobilizing bacteria as a stage of creation of a new complex specimen of multifunctional action for cereals — Agrobacterin. Methods. Laboratoryanalytical, microbiological, experimentally-field, statistical. Results. 5-years data concerning productivity of spring wheat are generalized at processing of treated and non-treated grain with Vitavax by bacterial compositions in alternatives with importation of nitrogenous artificial fertilizers into doses of N0, N30, N45. Conclusions. It is fixed that bacterization of the treated seeds of spring wheat promoted increase of productivity of plants at use of the following compositions: A. Radiobacter + B. Subtilis 100, A. radiobacter + B. Pumilis M, A. radiobacter + B. mucilaginosus, A. radiobacter + polystrain B. subtilis. At processing non-treated seeds the best compositions are the following: A. Radiobacter + B. subtilis 33, A. Radiobacter + B. mucilaginosus, A. radiobacter + polystrain B. subtilis. Use of that mixes without importation of nitrogen fertilizers promotes increase of productivity for 27,2%, 17,3 and 29,6 % accordingly.