Оценка эффективности осушения лессовидных суглинков
2010
Mitrakhovich, A.I. | Kazmiruk, I.Ch. | Nabzdorov, S.V., National Academy of Sciences. Scientific and Practical Center for Arable Farming (Belarus). Institute for Land Reclamation
In the conditions of the Republic of Belarus there was analyzed the efficiency of different methods of drainage measures of loess loams in recess relief. Research was realized within the object Mazolovskiy in Mstislavl district, Mogilev region (the Republic of Belarus). Study was realized at different versions and ways of drainage and laid in observations of moisture content, groundwater level, drainage effluent and ameliorative conditions. There were analyzed nine drainage methods: 1. run-off of surface water by wells - ain-absorbents of different constructions; 2. backfilling of close degradation through saddle depression without additional methods; 3. selected drainage; 4. selected drainage with blind well and drain pipes of different contractions; 5. land reclamation by selected fascine drainage; 6. derivation of surface water by close collector with an appliance of filter back filling and blind-wells; 7. derivation of surface water from close degradation by appliance of under depression collectors; 8. speeding-up of derivation of surface water through talwegs (watercourse) with under valley collector; 9. selected drainage, accumulation of surface and drain stock by pond-reservoirs. Research results showed that regardless of the way of drainage, deposit of moisture and moisture content differed insignificantly in all examined methods, and it allowed to make a conclusion that formation of water relationships substantially depended only on water factors, soil and relief conditions. Based on the obtained results it was proposed to simplify some constructive solutions, specifically, to reduce the application of blind drainage on low-penetrating soils in the conditions of surface sloped being more than 0,005. One of the most optimal ways of reclamation of the analyzed soils could be method based on organization of surface run-off by exposure of saddles and arrangement of hallows
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