Application of agronomical approaches to rehabilitating territories of the Republic of Belarus affected by the Chernobyl disaster
2020
Radziuk, Hanna | Shapsheeva, Tatiana
The environmental radiation pollution resulting from the Chernobyl nuclear disaster in 1986 is one of the main factors limiting agriculture in the eastern regions of Belarus. In the first decade after the accident, the need to mitigate the effects of radiation had a key role in the implementation of countermeasures. As a result, there are widespread areas of high soil fertility potential in the contaminated zone. Today there is a possibility to include new crops (e.g. sugar beet [Beta vulgaris L.]) into regular crop rotation to increase the effectiveness of agriculture and to use the accumulated soil fertility potential. The article discusses a possible agronomic approach to estimating specific fields (working plots) at the scale of agricultural enterprises for placement of sugar beet. The territory of the Mahilyow region of the Republic of Belarus was examined from the perspective of soil suitability to the cultivation of sugar beet. Along with estimating radionuclide accumulation by sugar beet roots, the areas of soils suitable for sugar beet within agricultural enterprises were calculated for selected districts. It was revealed that sugar beet has low ability to absorb radiocaesium and radiostrontium from soils. The contamination density does not restrict the possibility for placement of sugar beet. Instead, soil fertility, specifically content of plant-available phosphorus and boron, was the limiting factor in that. Based on data from field experiments and soil fertility data, a number of enterprises were selected where sugar beet could be included into crop rotations to high economic effect.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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