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Study of the Qualitative State of Podzolized Black Soil in Short-Term Crop Rotations

Hryhoriv Yaroslava, Karbivska Uliana, Turak Oleg, Chernevyi Yurii, Oliinyk Vasyl, Koliadzhyn Ihor, Savchyn Andrii, Dmytryk Pavlo, Gniezdilova Victoria, Asanishvili Nadiia

Ecological Engineering & Environmental Technology

2023

Vol. 24, iss. 7

98--104

Presented work long-term experiment research (2012–2022 in ongoing experiment) on podzolized black soil to study the effectiveness of the use of organic (manure, non-marketable part of the crop, siderate) and mineral fertilizing systems in short term crop rotation were presented. The positive influence impact of the use of organic fertilizers and non-marketable part of the crop on stabilizing the amount of humus, increasing the reserves of alkaline-hydrolyzed nitrogen, exchangeable mobile phosphorus and potassium forms compounds in the soil was established. Changes in the nutrient regime and agrochemical properties of podzolized black soil under different saturation of crop rotations with cultivated crops, grain crops and leguminous plants were shown. A significant impact on the agrochemical characteristics of the soil in short-term crop rotations under crops of both the organicmineral fertilizer system and its predecessors was proven. It was established that the use of organic-mineral fertilizers (traditional organic-mineral fertilizer system) in crop rotation provides an increase in the content of nutrients in both arable and subarable layers of the soil, promotes an increase in the amount of crop residues, and, accordingly, harvest residues helps to increase the amount of crop residues, and provides a positive balance of nutrients under crops in crop rotation. The research materials are of practical importance for the implementation of nutrition optimization systems in short term crop rotations aimed at both sustainable increase of crop yields as well as maintenance and restoration of soil fertility.