AGROPHYSICAL ASPECT OF TECHNOGENIC SOIL DEGRADATION IN THE AZOV-KUBAN LOWLAND
Rubrics: AGRICULTURAL ECONOMICS AND POLICIES
Authors:
1.
Kuban State Agrarian University named after I. T. Trubilin
2.
Kuban State Agrarian University named after I. T. Trubilin
3.
Kuban State Agrarian University named after I. T. Trubilin
Type:
Article
eLocation:
Status:
Published
Received:
06.10.2022
Accepted:
15.10.2022
Published:
25.10.2022
Language:
Russian
Keywords:
pochvennyy pokrov, tehnogennaya degradaciya, plotnost' pochv, porovoe prostranstvo, urozhaynost', proizvodstvennaya cennost' pochv, nedopoluchennaya produkciya
Abstract (English):
The study of the dependence of the agro-productive value of soils on the intensity of anthropogenic impact against the background of degradation processes manifesting itself in the structure of the soil cover (SCS), composition and properties of soils made it possible to identify the trend and evaluate the dynamics. In the Yeisk and Novokubansk districts of the Krasnodar Territory, a decrease in gross income due to a shortfall in production due to the development of degradation combs in soils by 816250.817 thousand rubles was reliably revealed. and 211519.267 thousand rubles. respectively. The main reasons for this process are changes in agrophysical properties, the essence of which is a decrease in the content of agronomically valuable aggregates - a decrease in the share of such aggregates by 10% was found in ordinary chernozems. Very significant differences in soil density were established - from 1.7-2.04 g/cm3 in meadow-chernozem merged soils and 1.6-1.8 g/cm3 in meadow-chernozem compacted soils to 1.32-1.45 g/cm3 in chernozems. A difference was found in the range of change (amplitude) of soil density relative to the initial one during their drying, which can and should serve as an indicator of the degree of severity of degradation processes: for those not affected by hydrometamorphism processes, it is 61%; chernozem drained soils — 75%.
The study of the dependence of the agro-productive value of soils on the intensity of anthropogenic impact against the background of degradation processes manifesting itself in the structure of the soil cover (SCS), composition and properties of soils made it possible to identify the trend and evaluate the dynamics. In the Yeisk and Novokubansk districts of the Krasnodar Territory, a decrease in gross income due to a shortfall in production due to the development of degradation combs in soils by 816250.817 thousand rubles was reliably revealed. and 211519.267 thousand rubles. respectively. The main reasons for this process are changes in agrophysical properties, the essence of which is a decrease in the content of agronomically valuable aggregates - a decrease in the share of such aggregates by 10% was found in ordinary chernozems. Very significant differences in soil density were established - from 1.7-2.04 g/cm3 in meadow-chernozem merged soils and 1.6-1.8 g/cm3 in meadow-chernozem compacted soils to 1.32-1.45 g/cm3 in chernozems. A difference was found in the range of change (amplitude) of soil density relative to the initial one during their drying, which can and should serve as an indicator of the degree of severity of degradation processes: for those not affected by hydrometamorphism processes, it is 61%; chernozem drained soils — 75%.
Keywords:
pochvennyy pokrov, tehnogennaya degradaciya, plotnost' pochv, porovoe prostranstvo, urozhaynost', proizvodstvennaya cennost' pochv, nedopoluchennaya produkciya
pochvennyy pokrov, tehnogennaya degradaciya, plotnost' pochv, porovoe prostranstvo, urozhaynost', proizvodstvennaya cennost' pochv, nedopoluchennaya produkciya
