INFLUENCE OF EXTERNAL FACTORS OF MEDIUM ON FUNCTIONING POD- RHIZOBIAL SYMBIOSIS OF PEAS
Role of such environmental factors as predecessors and influence of pests on formation of nodules on roots of peas and their further functioning in system of symbiotic nitrogen fixation. Winter wheat was the best predecessor for peas in comparison to black fallow. Indispensable condition of successful pod-rhizobial symbiosis is sitonas control also