Published in Scientific Papers. Series A. Agronomy, Vol. LXVIII, Issue 2
Written by Andrii DONETS, Tetiana MARCHENKO, Yurii LAVRYNENKO, Olena PILIARSKA, Valerii PILIARSKYI, Oleksandr NETREBA, Serhii MISHCHENKO, Veronika MARCHENKO, Yevhenii DOMARATSKYI
The use of chemical ameliorant allows maintaining agrophysical soil parameters in dark chestnut medium loam soil with constant corn cultivation under drip irrigation at the initial baseline level. Without the use of ameliorant, the stocking density increased by 1.5...4.8% compared to the base year. The soil was most compacted in the 10-20 cm horizon. The use of ameliorant allowed to maintain the initial soil density during the constant cultivation of corn for 5 years 2020…2024. Soil porosity decreased by 1.5...1.8%, and in relative values by 2.5...3.3% under constant corn crops without the use of chemical ameliorants. The use of a soil improver allowed to slow down the decrease in porosity by almost an order of magnitude – to 0.2…0.3 relative percent. The humus content when using chemical ameliorant was half as low compared to the options without ameliorant. Fluctuations in humus content and a possible downward trend were at a low level - the percentage of fluctuation of the indicator to the base year 2020 was 0.7-1.4% without the use of ameliorant and 0.3% with the use of ameliorant.
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