نتایج جستجو برای: soil conservation measures

تعداد نتایج: 624460  

Journal: :journal of agricultural science and technology 2014
m. haghjou b. hayati d. momeni choleki

in recent decades, large investments have been made to introduce soil conservation methods, but most of these efforts have had limited success in achieving the goals. as a result, attempt to identify the factors deterring or promoting adoption of soil conservation practices is important. therefore, this study aimed to investigate factors affecting adoption of soil conservation practices by rain...

1- INTRODUCTION Soil as one of the most important inputs in agricultural production process plays an important role in the quality of production operation, food security and sustainable development. On the other hand, soil erosion as one of the environmental agriculture issues has been intensified with increasing population and transforming to intensive forms of agriculture in recent years. Mi...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
داود مومنی چلکی دانش آموخته کارشناسی ارشد مدیریت کشاورزی، دانشکده کشاورزی دانشگاه تبریز باب اله حیاتی دانشیار گروه اقتصاد کشاورزی دانشکده کشاورزی دانشگاه تبریز قادر دشتی دانشیار گروه اقتصاد کشاورزی دانشکده کشاورزی دانشگاه تبریز ایوب رضایی مربی گروه اقتصاد کشاورزی دانشکده کشاورزی دانشگاه تبریز

land degradation due to soil erosion has been well pointed out as one of the most serious ecological and economic problems that some such south asian countries including iran are faced with. although high investment has been made, particularly in introduction of soil conservational mechanical practices, the level of acceptance of these practices has been low and while a high rate of erosion con...

Soil conservation is the only known way to protect the productive land. In country like Ethiopia, where droughts and floods cause food scarcity problem, soil and water conservation not only increases crop yield, but also prevents further deterioration of land. Soil and water conservation preserve soil moisture and drain water sustainably to avoid soil erosion and depletion of soil nutrients. So...

Journal: :Tanzania Journal of Engineering and Technology 1999

2009
Shengping Wang Zhiqiang Zhang Ge Sun Steven G. McNulty Manliang Zhang

Soil conservation practices have been widely implemented on the Loess Plateau to reduce severe soil erosion in north-central China over the past three decades. However, the hydrologic impacts of these practices are not well documented and understood. The objective of this study was to examine how water yield has changed after implementing soil conservation practices that resulted in changes in ...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
سید هدایت الله نوری استادیار گروه جغرافیا، دانشگاه اصفهان علیرضا جمشیدی کارشناس ارشد توسعه روستایی، دانشگاه صنعتی اصفهان معصومه جمشیدی دانشجوی دکتری جغرافیا و برنامه ریزی روستایی، دانشگاه اصفهان زهرا هدایتی مقدم دانشجوی دکتری جغرافیا و برنامه ریزی روستایی، دانشگاه اصفهان عفت فتحی دانشجوی دکتری جغرافیا و برنامه ریزی روستایی، دانشگاه اصفهان

the aim of present work is study of factors affecting the acceptance of soil conservation measures by the farmers in shirvan & chardavol township which is one of the main agricultural areas in the province of ilam. this is an analytical comparative research that is done by survey method. the statistical population consisted of all the farmers of shirvan & chardavol township which are 8099 peopl...

2001
Berhanu Gebremedhin Scott M. Swinton

A double hurdle statistical analysis of 250 farms in the Tigray region of Ethiopia reveals different causal factors for soil conservation adoption versus intensity of use. Farmers’ reasons for adopting soil conservation measures vary sharply between stone terraces and soil bunds. Long-term investments in stone terraces were associated with secure land tenure, labour availability, proximity to t...

Journal: :IOP Conference Series: Earth and Environmental Science 2020

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