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Effect of conservation tillage on soil loss, choke mountain, Ethiopia. Potential of conservation tillage for adoption of soil conservation technologies

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Местонахождение: АлматыСостояние экземпляра: новый
Бумажная
версия
Автор: Habtamu Muche
ISBN: 9783659428920
Год издания: 2013
Формат книги: 60×90/16 (145×215 мм)
Количество страниц: 84
Издательство: LAP LAMBERT Academic Publishing
Цена: 25834 тг
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Код товара: 124264
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Курьерская доставка CDEK из города Москва
Доставка Почтой России из города Москва
      Аннотация: This study was launched to investigate surface runoff and soil loss as affected by integration of conservation tillage with fanya juus at plot level. Runoff and soil loss were recorded through three tied isolated trenches and pegs which were installed on behind fanya juus. USLE soil erosion model was selected for validation. Result showed that conservation tillage signi?cantly reduced soil loss as compared to traditional ploughed farm plots. Throughout the study period, 1534.0 and 794.8 m3/ha runoff volumes were recorded from traditional and conservation tillage systems, respectively. Thus runoff volumes induced 8.03 and 4.50 t/ha/month soil loss from traditional and conservation tillage systems, respectively. Reduction of runoff volume and soil loss in the conservation tillage system attributed to retarded movement of water in the presence of invisible barriers in each furrow that are laid along the contour. The result of USLE was found to be satisfactory result in both tillage treatments. The relative difference between measured and estimated soil loss were found to be 38.85 and 2.0 percent in traditional and conservation tillage treatments, respectively on wheat farm plot.
Ключевые слова: Runoff, USLE, Soil loss, conservation tillage, Fanya juus
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Tillage is among the important factors affecting soil properties and crop yield. Tillage method also affects the sustainable use of soil resources through its influence on soil properties. The proper use of tillage can improve soil related constrains, while excessive and unnecessary tillage operations is often harmful to soil. Therefore, there is...

31402 тг
Бумажная версия