Vulnerability to miscellaneous types of physical degradation of agricultural lands in Southern Iaşi county

Agricultural areas in Iaşi County are subjected to complex processes of degradation, caused mainly by natural and antropic factors, which either diminish or extend these processes which cause the diminution of agricultural production, the exclusion of some lands from the economic circuit or their concession by owners. The results of the studies on the evolution of the slope agricultural land surface in the slop of the period 1990-2017 and of the concerns for soil erosion control, in order to maintain soil fertility and of the ecological balance in agroecosystems are presented in this paper. Special emphasis is placed on identifying the possibilities reduce soil erosion in tolerable limits by stimulating landowners interest to comply with anti-erosion protection requirements. I also made references to other factors that have led to the deterioration of the quality of soils such as soils salinization and prone

Efects of soil erosion on agricultural land: a curent global and national analysis

Loss of soil through erosion on agriultural land is a widespread problem, reducing primarily the productivity of all natural ecosystems as well as agricultural ecosystems, forests and pastures. In parallel with population growth, soil erosion, water availability, climate change, biodiversity loss are considered as the main environmental issues around the world. Although soil erosion along the geological era occurred at a slow pace in natural ecosystems, the cumulative impact on soil quality over billions of years has been significant. However, even soil erosion with low annual rates over, the years can lead to the displacement of enormous quantities of soil. Soil erosion has been recognized as a major problem that threatens the sustainability of agriculture for a long time, and the magnitude of the problem can be properly assessed. The direct effects of erosion are not limited only to damage to agriculture. The sediment produced by erosion also pollutes water flows with sediments and nutrients, thereby reducing water quality

Engineering measures for soil erosion control on agricultural land in the Podolenii de Sus area, Cozmesti commune, Iasi county

Lands requiring improvement are placed on slopes larger than 15%, located Cozmesti commune, in Iaşi County. The total area of the perimeter is 50.4 ha and is located in the extravilan area. The categories of use in the area are agricultural, stretching over 22.96 ha, namely degraded pasture, very poorly productive and 27.44 hectares now become non-agricultural, of which 1.44 ha are roads operating damaged, impracticable and 26 ha unproductive due to excessive surface erosion, of the formations in depth, permanent excess moisture and vineyards aging, degraded, with destroyed biocenosis. Thus, it was proposed redevelopment the agricultural technological roads, grubbing up of vineyards the abandoned and degraded , to execute marginal and evacuation channels in order to protect the agricultural technological roads, leveling and modeling the lands on the slopes, creation of terraces on the arable , fertilization improvement, works of deep loosening, deep plowing, panting, disking and the application of measures erosion control specific to the land in slope with arable land use category. The fitting of slopes affected by surface erosion, depth erosion and landslides, with hydrotechnical works to control leakage and consolidation, grasslands and the improvement of degraded land contributes to the stabilization and creation of conditions for the evolution of soils, vegetation, biocenoses in ground