APPLICATION OF BIOHUMUS FOR REDUCING THE ACCUMULATION OF HEAVY METALS IN THE SOIL AND SPRING BARLEY PLANTS IN THE DONETSK INDUSTRIAL REGION

IF 0.6 Q4 AGRONOMY

AgroLife Scientific Journal Pub Date : 2023-06-30 DOI:10.17930/agl2023130

A. Vinyukov, O. Bondareva, Ludmila Konovalenko, H. Chuhrii, O. Korobova

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Abstract

The paper aimed to analyze the effect of the application of organic fertilizer biohumus on the content of heavy metals in the soil and spring barley plants in the Donetsk industrial region of Ukraine. Application of biohumus in the organomineral nutrition system led to decrease the content of mobile forms of copper, zinc, lead, cadmium by 17.1%, 23.4%, 22.6% and 23.1% respectively. The content of copper and zinc in the grain was almost at the control level, the accumulation level of lead and cadmium in the spring barley grain decreased by 1.6 and 1.4 times, respectively. The variant of the organo-mineral nutrition system with foliar treatment of plants with biostimulant regoplant allows to reduce the amount of traditional mineral fertilizers by up to 50% while maintaining the yield level, to reduce the coefficients of biological absorption of lead and cadmium by 1.4 times compared to the control. To reduce the risk of soil and grain contamination by heavy metals in industrial regions, it is advisable to use an organo-mineral fertilizer system.

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生物腐殖质在顿涅茨克工业区减少土壤和春大麦植株重金属积累中的应用

本文旨在分析乌克兰顿涅茨克工业区施用有机肥生物腐殖质对土壤和春大麦植株重金属含量的影响。生物腐殖质在有机矿物营养系统中的应用使铜、锌、铅、镉的流动形态含量分别降低了17.1%、23.4%、22.6%和23.1%。春大麦籽粒中铜、锌含量基本处于对照水平，铅、镉积累水平分别下降1.6倍和1.4倍。有机矿物营养系统的变体，用生物刺激剂调节剂对植物进行叶面处理，可以在保持产量水平的同时，将传统矿物肥料的用量减少50%，使铅和镉的生物吸收系数比对照降低1.4倍。为了降低工业区土壤和粮食受到重金属污染的风险，建议使用有机矿物肥料系统。

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