Efficiency of symbiotic activity of common beans plants with introduction of mineral fertilizers and seed inoculation
Journal Title: Наукові горизонти. Scientific Horizons - Year 2018, Vol 70, Issue 7
Abstract
Symbiotic activity of bean plants with present in the soil rhizobia is often limited by the low nitrogen-fixing activity of bacteria, so seeds inoculation should be an obligatory measure in cultivation technology. Studies provided determining the influence of mineral and biological nitrogen on effectiveness of symbiotic activity of beans varieties Mavka, Zhemchuzhyna, Nadiya in conditions of Transcarpathia of Ukraine. Field experiments were carried out on soddy-podzolic heavy loamy soils of the collectively demonstrative field of PE NULES of Ukraine «Mukachevo Agrarian College» in the Transcarpathian region. It has been established that without seeds inoculation on the roots of common beans no nodules were formed and nitrogenase activity does not occur, what indicates the absence of spontaneous inoculation of beans with aboriginal strains. Presowing inoculation of seeds by Rizobophyte (brand P) is accompanied by appearance of nodules, higher they quantity, mass and activity of nitrogenase system in range 43,17-86,19 nmol ethylene/plant/hour. The biggest in the experiment number of nodules on the beans roots is forming in varieties Mavka and Pearlyna with seeds inoculating before sowing by Rizobophyte (brand P) and mineral fertilizers applying in the dose N45P15K20. Increase of application nitrogen fertilizers up to 60 kg/ha suppresses activity of nodule bacteria, as result of which nitrogenase activity is significantly reducing and bean plants pass to the mineral form of nutrition. Received results of researches will allow developing proposals for production of perfection beans cultivation technology in conditions of Transcarpathia of Ukraine.
Authors and Affiliations
N. Doctor
Keywords
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- EP ID EP631648
- DOI 10.33249/2663-2144-2018-70-7-8-59-63
- Views 78
- Downloads 0
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