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The effectiveness of agrotechnical anti-erosion measures on sloping soils in the conditions of the Forest-Steppe of Ukraine
 
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1
National University of Life and Environmental Sciences of Ukraine, Heroiv Oborony Str., 13, UA03041, Kyiv, Ukraine.
 
2
Institute of Water Problems and Melioration, National Academy of Sciences of Ukraine, 37 Vasylkivska, Str., UA03022 Kyiv, Ukraine.
 
 
Corresponding author
Oleksandr Havryliuk   

National University of Life and Environmental Sciences of Ukraine, Heroiv Oborony Str., 13, UA03041, Kyiv, Ukraine.
 
 
J. Ecol. Eng. 2025; 26(8)
 
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ABSTRACT
The article examines the intensity of erosion processes in an anti-erosion organized agricultural landscape. The purpose of the work is to determine the effectiveness of anti-erosion agrotechnical measures on the chernozems of the regraded forest-steppe of Ukraine. Experimental data were obtained on a stationary experiment, where two groups of studies were established: 1). Traditional rectangular layout of the territory with the length of the drain line over 800.0 m; 2). Anti-erosion organized agricultural landscape with a system of embankments-terraces and forest strips (the length of the drainage line does not exceed 200.0 m) and infrastructure for safe drainage in extreme periods of water discharge. In both groups, the effectiveness of such methods of tillage as plowing, flat-cut and chisel tillage, as well as their combination with mole drainage. The results of the experiments confirmed the high protective effectiveness of agro-landscape improvement against erosion processes. It was found that flat-cut and chisel tillage, especially when combined with mole drainage, contributes to a 1.5–15.0-fold reduction in water runoff, which significantly reduces the risk of erosion. An important aspect of the research was the study of the aggregate composition of the soil and its resistance to destruction by water. It was found that the content of agronomically valuable aggregates (0.25–10,0 mm) did not differ significantly between tillage methods. Comparative analysis showed that moldboard plowing increased the content of the fraction of >1.0 mm aggregates in the topsoil layer; however, the water stability of these aggregates remained low. The best water resistance indicators were noted in flat-cut tillage, where the average weighted diameter of water-resistant aggregates was 1.40 mm, which increases the erosion resistance of the soil. Special attention is paid to the influence of the terrain on the development of erosion processes. It was found that on gentle slopes (3–4°) soil erosion occurs gradually, while on convex slopes (45°) erosion processes are much more intense, because the speed of surface runoff and its eroding speed increases. Thus, the results of the study confirm the need to implement adaptive farming systems based on considering the natural conditions of the region.
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