Authors:
Sergey V. Lukin,Sergey I. Smurov,DOI NO:
https://doi.org/10.26782/jmcms.spl.10/2020.06.00009Keywords:
Balance,percent abundance,trace elements,motile forms,cobalt, copper,zinc,chernozem,Abstract
The purpose of this study is to conduct an environmental assessment of zinc, copper and cobalt content in the agrocoenosisof forest-steppe zone of the Central Chernozemregions(CCRs) of Russia.During the investigations it was revealed that the average gross content of zinc is 37.1.copper - 13.8.cobalt - 7.74 mg/kg in arable soils ofthe leached chernozem of forest-steppe zone of the CCRs. With increasing depth of the soil profile, the gross content of zinc and copper is significantly reduced, and cobalt gross content is not changed. According to the results of a continuous survey conducted in 2010-2014, it was found that 99.2% of the arable soils of Belgorod region are characterized by low provision of mobile forms of zinc, 96.8% of copper, and 94.3% of cobalt. According to the results of local monitoring, it was revealed that the content of mobile forms of cobalt and copper in the 81-100 cm layer is significantly lower than in the arable soil, and the zinc content does not change significantly. The exceeding MPC for mobile forms of trace elements was not observed.For the main products of winter wheat, pea, soybean, sunflower and corn, the biological absorption factors of zinc were in the range of 2.9-42.2, copper - 4.36-42.0, cobalt - 0.38-2.7,and for the by-products - 1.1-6.3, 1.8-4.63, and 0.16-1.54, respectively. The main source of trace elements entering the agrocoenosis of Belgorod region are organic fertilizers.Refference:
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