Dynamics of Agrochemical State of North-West Forest-Steppe Soils and its Adjustment Features (Case Study of Volodymyr-Volynsky District of Volyn Region)
Journal Title: Вісник Харківського національного університету імені В. Н. Каразіна серія "Екологія" - Year 2017, Vol 0, Issue 16
Abstract
Purpose. The agrochemical indicators analysis of farmland soils from Volodymyr-Volynsky district of Volyn region in rounds of surveys. Methods. Soil and agrochemical studies were conducted in accordance with current state standards, and GOST methods. Results. General tendency remains to reduce humus stocks in the soils of investigation area. Changes in the area redistribution depending on nutrition elements content took place. Weighted average indexes of mobile phosphorus and exchangeable potassium content were on the medium and high level respectively. The areas of acid soils increased by almost 0.6 %. The intermediate and increased levels of micronutrients contents were established. Conclusions. Priority attention should be focused on returning organic matter into the soil that will ensure recovery of humus content. Trends of increasing mineral fertilizers usage should be adjusted according to scientifically proved ratio of nitrogen fertilizers.
Authors and Affiliations
N. О. Iasenchuk, M. I. Zinchuk, S. M. Demchuk, V. A. Galas
Keywords
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