Transformation and dynamics of active components in humus of leached chernozems under various anthropogenic loads

This article discusses the processes of dehumification and loss of humus in leached chernozem soils of agricultural lands of the North Kazakhstan region due to mineralization and as a result of erosion processes. Modern rates of soil dehumification lead to a decrease in the fertility of agricultural land and a decrease in yields, soil fertility is a valuable resource. The intensive process of decomposition of organic matter and its dehumidification occurs as a result of plowing virgin soil and as a result of its improper use in agricultural conditions. In the North Kazakhstan region, after the development of virgin lands, trends of intensive soil dehumidification are widespread. It was found that the object of study, leached chernozem, loses 0.69 t/ha by mineralization of humus and 0.011 t/ha as a result of erosion processes. Due to the long-term agricultural use of the land, improper construction of soil protection works, lack of organic substances that complement the humus composition of the soil, the balance of humus is disturbed, and organic substances connect soil structures with each other, increasing resistance to environmental factors. The destruction of soil structures of the plowed soil layer, the predominance of dust structures, thinning of the humus layer and the intensity of erosion processes were revealed.

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Transformation and dynamics of active components in humus of leached chernozems under various anthropogenic loads

Cited by 2 publications

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Changes in the fertility of a leached chernozem under different primary tillage technologies

Changes in the fertility of a leached chernozem under different primary tillage technologies

Processes of humus loss in leached chernozem soils of the North Kazakhstan region

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