نتایج جستجو برای: abandoned dry farming

تعداد نتایج: 125509  

2014
Ross Shackleton Charlie Shackleton Sheona Shackleton James Gambiza

Deagraianisation is a worldwide phenomenon with widespread social, ecological and economic effects yet with little consensus on the local or higher level causes. There have been contested views on the causes and consequences of deagrarianisation on South Africa's Wild Coast, which is an international biodiversity hotspot. Using GIS, household interviews and ecological sampling, we compared the ...

احمد جلالیان, , حسین خادمی, , مریم یوسفی فرد, ,

Improper use of natural resources, especially soil, causes its degradation and severe soil erosion. Water erosion is an important factor causing soil degradation. Land use change of pasture would result in severe soil erosion mainly due to the reduction of vegetation cover and also surface soil disturbance. The objectives of this study were to estimate the amount of sediment, runoff and nutrien...

2002
S Sayadi J Gonzalez

In order to evaluate the landscape and its agrarian components in the low mountainous region of the Alpujarras in Southeastern Spain, Conjoint Analysis (C.A.) was used, and both ranking and rating approaches were considered as a way of assessing preferences. Data was obtained from a preference test carried out with a sample survey of 165 visitors to the area. Three main landscape components wer...

Journal: :international journal of agricultural management and development 2015
roya eshraghi samani alireza poursaeed

in this study, the comparative advantage of main agricultural products and its relation to cropping pattern was studied in ilam province. for data analyzing the comparative advantage and government policies effects indices, policy analysis matrix (pam) were used. the obtained results for the comparative advantage indices of domestic resource cost (drc), social cost benefit (scb) and net social ...

2015
Channa Jayasumana Priyani Paranagama Suneth Agampodi Chinthaka Wijewardane Sarath Gunatilake Sisira Siribaddana

BACKGROUND The chronic kidney disease of unknown etiology (CKDu) among paddy farmers in was first reported in 1994 and has now become most important public health issue in dry zone of Sri Lanka. The objective was to identify risk factors associated with the epidemic in an area with high prevalence. METHODS A case control study was carried out in Padavi-Sripura hospital in Trincomalee district...

Journal: :caspian journal of environmental sciences 2012
m. yasouri al. wt

converting rangelands to arable land such as dry farming is widely practiced in many places in iran. this activity could possibly contribute to the increase in downstream sedimentation. the effects of this activity on downstream watersheds are not well documented for many strategic areas in the country. one such area which is proposed for this study is the kardeh drainage basin, located in the ...

ژورنال: علوم آب و خاک 2007
احمد جلالیان, , حسین خادمی, , مریم یوسفی فرد, ,

Improper use of natural resources, especially soil, causes its degradation and severe soil erosion. Water erosion is an important factor causing soil degradation. Land use change of pasture would result in severe soil erosion mainly due to the reduction of vegetation cover and also surface soil disturbance. The objectives of this study were to estimate the amount of sediment, runoff and nutrien...

Journal: :به زراعی کشاورزی 0
سید مجید موسوی دانشجوی کارشناسی ارشد، گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری محمد علی بهمنیار دانشیار، گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری زهرا احمدآبادی دانشجوی کارشناسی ارشد، گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه علوم کشاورزی و منابع طبیعی ساری، ساری

in order to investigate distribution status of heavy metals in cropping systems of water logging and dry farming, an experiment was conducted as split-plot arrangement based on randomized complete block design with three replications in research field of sari agricultural science and natural resources university. a paddy-soil considered for water logging system and the planted field with vegeta...

Journal: :بوم شناسی کشاورزی 0
فرشته مقامی مقیم علیرضا کریمی غلامحسین حق ینا آرش دوراندیش

classification and utilization of lands based on their capability are necessary for sustainable land use management. the purpose of this study was to identify and grade the effective qualities on the rainfed farming in the roin area, north khorasan province, during the year of 2011. based on field observations and literature review the land qualities including climate, rooting conditions, moist...

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