نتایج جستجو برای: the farmers age

تعداد نتایج: 16122058  

Journal: :Science 2005
Wolfgang Haak Peter Forster Barbara Bramanti Shuichi Matsumura Guido Brandt Marc Tänzer Richard Villems Colin Renfrew Detlef Gronenborn Kurt Werner Alt Joachim Burger

The ancestry of modern Europeans is a subject of debate among geneticists, archaeologists, and anthropologists. A crucial question is the extent to which Europeans are descended from the first European farmers in the Neolithic Age 7500 years ago or from Paleolithic hunter-gatherers who were present in Europe since 40,000 years ago. Here we present an analysis of ancient DNA from early European ...

Journal: :بهره برداری و پرورش آبزیان 0
محمدصادق اللهیاری گروه مدیریت کشاورزی، واحد رشت، دانشگاه آزاد اسلامی ابراهیم رجب زاده مرکز تحقیقات کشاورزی و منابع طبیعی گیلان محمد عابدی استادیار، گروه مدیریت کشاورزی، واحد اسلامشهر، دانشگاه آزاد اسلامی، اسلامشهر مینا صادقزاده باشگاه پژوهشگران جوان، واحد رشت، دانشگاه آزاد اسلامی، رشت

these days knowledge and information play a vital role in promoting of productivity and sustainability. the main purpose of this descriptive– survey research was to analysis information seeking behavior of carp farmers in sangar’s area of rasht county. information seeking behavior of farmers including definition process and gathering information of usage technology, evaluation, information savi...

2012
Lokendra Karki Rosa Schleenbecker Ulrich Hamm

Organic agriculture in developing countries has increased in past decades especially due to the high demand of organic products in developed countries. The rate of conversion to organic production in Nepal, however, is observed much slower than expected. This study investigates factors that determine the conversion to organic production using Nepalese tea producers as a case study. A survey of ...

Farida Abubakari Fariya Abubakari Victor Owusu

Soil erosion is one of the most important forms of land degradation that threatens continued and sustained agricultural production in Ghana. The most severely affected areas are the three northern regions especially Upper East Region, where large tracts of land have been destroyed by water erosion leading to soil depth reduction and decline in soil fertility. This study was carried out in Talen...

ژورنال: علوم آب و خاک 2007
محمد چیذری, , مینا موسوی, ,

Potatoes are the third most important food crop in Iran. But fluctuations in the production of potato have made imbalances in supply and demand. Lack of appropriate planning for cultivation and marketing operation and farmers’ little knowledge of marketing provides a ground for uncertainty about marketing. To compete successfully in markets, knowledge on marketing is necessary. Succeeding in ma...

2009
Eun Shil Cha Kyoung Ae Kong Eun Kyeong Moon Won Jin Lee

BACKGROUND Epidemiologic studies have suggested a unique pattern of disease among farmers in Western countries, but limited information is available about the magnitude of disease prevalence and their changes over time in Asian farmers. The aim of this study was to compare the prevalence and changes in chronic diseases among farmers with those of other occupational groups in South Korea. METH...

Sweet potato (Ipomoea batatas) is one of the stable tuber crops consumed by many households in Nigeria. It can be found in different varieties and exist in many colours of skin and flesh. The production of this important crop is still very low, thereby compromising food security. Sweet potato is one of the target commodity crops under the Nigerian Agriculture Sector Investment Opportun...

2014
Wachiraporn Wilaiwan Wattasit Siriwong

This study aims to assess health effects caused by organophosphate pesticides exposure among farmers (n=35) and non-farmers (n=35) in Sisa Krabue sub-district, Ongkharak district, Nakhon Nayok province. The research design of this study was a cross-sectional study during pesticide application period from January to March 2013. Questionnaire and Test-mate ChE (Model 400) for blood cholinesterase...

2013
Konstantinos Demos Eleni Sazakli Eleni Jelastopulu Nikolaos Charokopos John Ellul Michalis Leotsinidis

Investigating the health status of agricultural workers is a challenging goal. Contradictory outcomes concerning farmers' health are reported in the literature. In this cross-sectional study, certain clinical and neurobehavioral health outcomes were compared between farmers and non-farmers living in the same rural area. Farmers (328) and non-farmers (347), matched per age and sex, were selecte...

Journal: :American journal of industrial medicine 1988
M Iversen R Dahl J Korsgaard T Hallas E J Jensen

An epidemiological study was performed with a self administered questionnaire in a representative sample of 1685 Danish farmers. The purpose of the study was to assess the prevalence of self reported asthma, wheezing during work, and symptoms of chronic bronchitis and to evaluate possible risk factors for the development of these symptoms. A response rate of 73.3% was obtained. The prevalence o...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید