نتایج جستجو برای: soil and water conservation

تعداد نتایج: 16979795  

2012
Hui An Zhouping Shangguan

1 Key Laboratory of Restoration and Reconstruction of Degraded Ecosystem in North-western China of Ministry of Education, United Center for Ecology Research and Bioresource Exploitation in Western China, Ningxia University, Yinchuan 750021, China. 2 National Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A & F University,...

بشری, حسین, بصیری, مهدی, مصدقی, محمدرضا , موسوی, سید علیرضا , کبیر, افتخار بارانیان ,

Severe natural resources utilizations, disregarding their real value and environmental potency, pose many hazards in developing countries. Many rangelands have been converted to agricultural fileds to achieve more immediate income. This study, aimed to investigate the economic impacts of converting good and poor rangelands to dry farmlands in terms of soil and water conservation services in Fer...

2012
Lizhong Hua Xiubin He Yongping Yuan Hongwei Nan

Soil erosion has been recognized as one of the major threats to our environment and water quality worldwide, especially in China. To mitigate nonpoint source water quality problems caused by soil erosion, best management practices (BMPs) and/or conservation programs have been adopted. Watershed models, such as the Annualized Agricultural Non-Point Source Pollutant Loading model (AnnAGNPS), have...

Journal: :international journal of advanced biological and biomedical research 2014
mosayeb baghaie mohamad chizari

objective: the main purpose of this research is review of principles, concepts, problems and solutions of soil ethic. methods: in this research by descriptive method and delphi technique was used for identifying soil ethical concepts, soil ethical principles, problems and difficulties of soil ethics in iran and al around the world and suggestions for improvement of soil ethics in iran. the popu...

pollution as well as a major threat to the health of the citizens due to the advancement at human civilization, technology development, pesticides and chemical fertilizers application, the increasing exploitation of natural resources by the agricultural sector and the increasing usage of fossil energy. Therefore, the aim of this study is evaluation of citizens’ attitude towards water and soil p...

Journal: :Journal of the Northeastern Agricultural Economics Council 1979

2012
Ahmed Douaik Marc van Meirvenne Tibor Tóth

Ahmed Douaik1, Marc van Meirvenne2 and Tibor Tóth3,4 1Research Unit on Environment and Conservation of Natural Resources, National Institute of Agricultural Research (INRA), Rabat, 2Department of Soil Management, Ghent University, Ghent, 3Department of Soil Science, Research Institute for Soil Science and Agricultural Chemistry, Budapest, 4Rural, Water and Ecosystem Resources Unit, Institute fo...

امیر پور رباط, مهدی , ایوبی, شمس الله , جلالیان, احمد , قربانی, بهزاد ,

  Soil erosion is one of the most threatening issues for crop production and environmental qualities, especially for soil and water resources. Appropriate knowledge about total soil loss and runoff is valuable in order to perform soil and water conservation practices in watersheds. EUROSEM, "a single event, dynamic and distributed model," was developed to simulate soil loss, sediment transporta...

Journal: :Open Journal of Soil and Water Conservation 2017

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