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Ecopersia، جلد ۵، شماره ۳، صفحات ۱۸۴۹-۱۸۵۷
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عنوان انگلیسی Effect of a Long-Term Compost Treatment on the Water Management of Sandy Soil
چکیده انگلیسی مقاله Background: The large part of sandy soils in Hungary has unfavorable water management properties. Studies have shown that the sewage sludge compost, due to its high organic content, is suitable for improving structure and water management of these soils. The aim of our study was to determine the effects of the application of sewage sludge compost on physical properties of sandy soil. Materials and Methods: The experiment was established in 2003 at the Research Institute of Nyíregyháza of the University of Debrecen in Hungary to study the utilization of sewage sludge compost in agriculture. In this study, however, the changes of water retention and erodibility of soil were measured for three periods. The soil type of the experiment is Arenosol (Dystric Lamellic Arenosol). The applied compost contained sewage sludge of 40%, straw of 25%, bentonite of 5% and rhyolite of 30%. The compost is applied every 3rd year in the following amounts: 0, 9, 18 and 27 Mg ha-1 of dry matter. Results: The compost treatment had a beneficial effect on soil structure thereby reducing the runoff and sediment loss under high intensity rainfall (130 mm h-1). However, in the control plot there was significantly higher water erosion. The water retention of soil was slightly increased after compost application. Conclusions: The compost application improved the water management properties of sandy soil, which is connected with organic matter addition into soil. The compost treatment had a beneficial effect on soil structure thereby reducing the runoff and sediment loss.
کلیدواژه‌های انگلیسی مقاله Erosion,Sandy Soil,Sewage Sludge Compost,Water Management
نویسندگان مقاله j amp oacute zsef tibor aranyos | j amp oacute zsef tibor
researcher of research institute of nyíregyháza, university of debrecen, nyíregyháza, hungary

marianna mak amp aacute di | mak amp aacute di
researcher of research institute of nyíregyháza, university of debrecen, nyíregyháza, hungary

vikt amp oacute ria orosz | vikt amp oacute ria
researcher of research institute of nyíregyháza, university of debrecen, nyíregyháza, hungary

attila تام amp oacute csik | tom amp oacute csik
researcher of research institute of nyíregyháza, university of debrecen, nyíregyháza, hungary

ibolya demeter |
researcher of research institute of nyíregyháza, university of debrecen, nyíregyháza, hungary

j amp oacute zsef m amp eacute sz amp aacute روس | j amp oacute zsef m amp eacute sz amp aacute ros
head of departmentof nyírségvíz closed shareholder group, nyíregyháza, hungary

lajos blask amp oacute | blask amp oacute
professor, institute of water and environmental management, university of debrecen, debrecen, hungary

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