Abstract
The aim of this work is to assess the impact of Gumiton peat-based organo-mineral complex on the productivity and quality of carrots and the transition of 137Cs from soil to root crops under conditions of radioactive contamination. According to the results of field experiments on gray forest and soddy-podzolic soils of the Kaluga region of Russia, it is shown that leaf treatment with Gumiton of carrot plantings in different phases of crop development increases the yield of root crops by 20-40%, depending on the variety, soil type and agricultural background. Analysis of studies in the growing experiment on soddy-podzolic soil showed that Gumiton treatment increases the yield of carrots by 30%. The rate of decrease of 137Cs content is 1,2-1,25 times. Gumiton is a highly effective preparation for carrots, which increases the productivity and quality of the crop and helps to reduce the intake of 137Cs in root crops in radioactively contaminated areas.
Highlights
In Russian Federation, the territory of 21 regions was exposed to radioactive contamination after Chernobyl accident in 1986 y
The results of the application of Gumiton on carrot variety Chinese beauty in Peremyshl district, Kaluga region on the gray forest medium loamy soil it was found that a single spraying of planting Gumiton on phase of 4 pairs of true leaves contributed to the growth of crop roots from 20 to 23.9 t/ha or 19.5%, compared to the control
According to the results of a field experiment on the basis of RIRAE on soddy-podzolic sandy loam soil, the introduction of azofoska contributed to an increase in carrot yield by 4.3 t / ha or 20.5% compared to the control
Summary
In Russian Federation, the territory of 21 regions was exposed to radioactive contamination after Chernobyl accident in 1986 y. As a result of Chernobyl accident, the southern part of the Kaluga region of the Russian Federation was contaminated, including with long-lived and biologically active radionuclides 137Cs and 90Sr. The improvement of the technology of cultivation of agricultural crops, including vegetables, with the use of new types of organic-mineral fertilizers and peat-based complexes developed at RIRAE has been carried out since 2006. Activators can be alkalis, mineral compounds, elevated temperatures This technique is actively used in the production of humic preparations. The use of humic preparations and organo-mineral complexes based on peat is promising and in demand in the agro-industrial sector. Innovative development of Russian scientists RIRAE is a highly effective organo-mineral complex based on peat Gumiton.
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