Rehabilitation and modernization of soil erosion control works in Izvoru Berheciului catchement

The research on the technical efficiency of the soil erosion control works applied on the lands in the areas affected by erosion serves to assess the quality of the design, execution and operation of the works, to improve their maintenance and to improve the solutions adopted for future development. The area and the intensity of the manifestation of the soil degradation processes encountered in the studied area determine damages by diminishing the agricultural surface and crop losses. The analysis carried out in the territory highlights the fact that on these lands it is necessary to intervene urgently in order to diminish within acceptable limits the manifestations of the degradation processes. In order to increase the effectiveness of the soil erosion control works, it is considered necessary to repair and modernize the existing works - received and taken over by the National Agency for Land Improvements Bacau - over time as well as their completion with new ones. The negative impact in case of non-performance of the proposed works consists in maintaining the current system of practicing an empirical agrotechnics on a random structure of agricultural crops with negative effects on the economy of the area, soil conservation, environmental protection and life quality

Research on the technical efficiency of anti-erosion works in the Izvoru Berheciului hydro-amelioration system

This paper presents the evolution after 1990 as well as the current state of some measures and anti-erosion works related to the agricultural land within the hydro-improvement system of Izvoru Berheciului. The surface corresponding to the hydroameliorating system Izvoru Berheciului is about 600 km2 and has over 75% sloped fields that occupy the hydrographic basins of Drobotfor and Berheci. The high intensity of the erosion process by water in this area required the execution of several different anti-erosion works in the above-mentioned hydrographic watershed, which considerably slowed the soil degradation, the inundation and the clogging of the depression zones as well as the deterioration of the environment. The best technical efficiency among the management systems was in the forestry works and the anti-erosion hydrotechnical works. The works on slopes for the prevention and control of surface erosion were mostly destroyed by the impact of the application of Law 18. The data obtained highlight the need to revive antierosion activities for the conservation of soil production capacity on slopes and the efficient use of land in the reference are

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