Abstract:
Erosion of soils leads to a decrease in the thickness of the humus horizon, to a decrease in the water permeability and
moisture capacity of soils, the content of waterproof aggregates, humus, mobile phosphorus and exchangeable
potassium. An example of the negative effect of erosion on soil properties is presented in Table. 1.1. At the same time,
soil density, surface water run-off and soil washing are increasing. All this leads to a shortage of crops harvested and a
decrease in the efficiency of agricultural production. Figures give a clear idea of the effect of soil erosion on yield
reduction in the main crops in conditions of chernozems. These data, based on the synthesis and analysis of numerous
experimental data strongly suggest that soil erosion causes the national economy of a huge economic and environmental
damage and undermines the very foundation of effective agricultural production. Protection of soils and their protection
from erosion - a problem of national importance, which must be under the effective control of the appropriate
government agencies. The nature of the influence of vegetation on the properties of the soil gives a visual representation
of the depth of penetration of the roots. The loosening effect of the root system of plants on the soil is well known.
Consideration of the influence of vegetation on the sink of melt water and the washing away of soil from the slopes is of
scientific and practical interest. In the most general form, the nature of this influence is well known. At the same time,
the quantitative assessment of flow control and soil conservation efficiency of vegetation is given schematically as
separate scientific reports.
