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Peat soils under long-term tile drainageстатья
- Авторы: Pozdnyakov A.I., Pozdnyakova L.A., Pozdnyakova A.D.
- Сборник: Proceedings of ICID Interregional Conference on food production and water: social and economic issues of irrigation and drainage, Moscow, Russia, 5-11 September 2004
- Год издания: 2004
- Место издания: International Commission on Irrigation and Drainage (ICID New Delhi, India,
- Аннотация: The Yachroma Valley of Moscow's Dmitrov Region, is an example of drainage melioration and subsequent cultivation in peat soils. Data analysis on the degradation and evolution of peat soils drained using plastic and ceramic pipes (after preliminary drainage by open ditches at 150-200 m) was carried out using reclamation polygons of 35-40 years and 80-90 years age respectively. The study recommends that in order to ensure long-term conservation and use of peat soils, the peat depth loss should be limited to 0.5-0.6 per year, ash content increase to 0.20-0.33% per year, and bulk density increase to 0.04-0.06 gm/cm3 per year. Drainage design should include closed tile drains (and open ditches with floodgates) to maintain the water-table at 60-120 cm during the cropping season.
- Добавил в систему: Поздняков Анатолий Иванович