نتایج جستجو برای: Rainfed Lands

تعداد نتایج: 13437  

Journal: Desert 2018
M. Arabkhedri M. Gheitoury M. Heshmati, M. Hosseini Y. Parvizi

The forest soils are the key parts of the Earth system that are globally degraded through anthrop induced deforestation, mainly converting to other landuses. The present study was conducted in Gazafolya village located in Merek watershed, Kermanshah, Iran, in which the soil quality of the forest and converted forest (rainfed lands) with the same topographic and geologic conditions were compared...

Journal: Desert 2007
H. Azarnivand M. Aghayi M. Jafari, M. Makhdom M. Souri V. Etemad

Soil salinity is one of the problems threatening agricultural lands. Parts of this phenomenon are related to geologic formations and saltpans, while some major factors are resulted from irrelevant agricultural activities, issue of irrigation, and improper cultivation systems which lead to increase in soil salinity. To avoid such consequences that would end up with ecosystem degradation, suitabl...

Journal: :desert 2008
m. jafari m. souri h. azarnivand m. makhdom v. etemad

soil salinity is one of the problems threatening agricultural lands. parts of this phenomenon are related to geologic formations and saltpans, while some major factors are resulted from irrelevant agricultural activities, issue of irrigation, and improper cultivation systems which lead to increase in soil salinity. to avoid such consequences that would end up with ecosystem degradation, suitabl...

The lack of water in arid and semi-arid areas has become a serious crisis, endangering living conditions. Sloping lands in the geographical and natural areas of Central Province have always been critical areas as sources of sediment production and erosion. Meanwhile, these areas provide valuable capacity for productive employment and conservation of water and soil resources through the construc...

2001
Saikat Paul T.Srinivas Kumar S.Sudhakar S.Adiga P.P.Nageswara Rao

Dry land farming in India accounts for 63% of the cultivated land of 144 million hectares. The crop production on these lands is dependent entirely on the natural precipitation, which is highly erratic in terms of spatial and temporal distribution during the crop-growing season. To address these problems, Government of India has accorded high priority to watershed approach for development of ra...

Bahman Khosravipour Maisam Rafe, Mansour Ghanian Maryam Roozbahani, Masoud Baradaran Sayed Ali Moosavi

The purposeof this studywas to Analyzing factors that effecting on rangeland degradation. Statistical population of this research consisted of whole farmer in Pirtaj district (N= 1600); from that 120 farmer were selected as sample using cluster sampling. The main tool to collect data was a researcher made questionnaire that Content validity of the questionnaire was approved, by a panel of exper...

2009
K. R. Manjunath Sushma Panigrahy T. K. Adhya V. Beri K. V. Rao

The rice land is linked to the climate change due to its methane emission potential. The systems of growing rice and associated soil and crop management practices that have evolved are varied and complex. However, from the methane emission point of view, water regime is a crucial parameter. According to IPCC guidelines the rice ecosystem need to be categorized into four strata for methane emiss...

Bahman Khosravipour Maisam Rafe, Mansour Ghanian Maryam Roozbahani, Masoud Baradaran Sayed Ali Moosavi

The purposeof this studywas to Analyzing factors that effecting on rangeland degradation. Statistical population of this research consisted of whole farmer in Pirtaj district (N= 1600); from that 120 farmer were selected as sample using cluster sampling. The main tool to collect data was a researcher made questionnaire that Content validity of the questionnaire was approved, by a panel of exper...

Journal: :international journal of advanced biological and biomedical research 0
maisam rafe post graduate students of agricultural education, ramin agricultural and natural resources university, ahvaz, iran bahman khosravipour associate professor of department of agricultural extension and education, ramin agricultural and natural resources university, ahvaz, iran masoud baradaran associate professor of department of agricultural extension and education, ramin agricultural and natural resources university, ahvaz, iran mansour ghanian associate professor of department of agricultural extension and education, ramin agricultural and natural resources university, ahvaz, iran sayed ali moosavi post graduate students of agricultural education, ramin agricultural and natural resources university, ahvaz, iran maryam roozbahani post graduate student of agricultural biotechnology, azad university, tehran, iran

the purposeof this studywas to analyzing factors that effecting on rangeland degradation. statistical population of this research consisted of whole farmer in pirtaj district (n= 1600); from that 120 farmer were selected as sample using cluster sampling. the main tool to collect data was a researcher made questionnaire that content validity of the questionnaire was approved, by a panel of exper...

ژورنال: علوم آب و خاک 2018
افصحی, کامران, باقری, مجید, واعظی, علی رضا,

Soil erosion by water is a serious environmental problem, particularly in semi-arid regions. In these areas, water loss strongly affects soil loss as well as soil productivity in the rainfed lands. Determination of appropriate seed density for each tillage direction is vital to achieve high crop yield and to prevent soil and water losses. This study was conducted to investigate the combined eff...

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