نتایج جستجو برای: and agricultural

تعداد نتایج: 16843669  

Journal: :Annals of agricultural and environmental medicine : AAEM 2006
Rex Kuye Kelley Donham Shannon Marquez Wayne Sanderson Laurence Fuortes Risto Rautiainen Martin Jones Kennith Culp

This manuscript reports results of our study to characterize the historical developments of agricultural practices in The Gambia and related health risks of farm workers. It surveys the various factors that shape production agriculture in the country and examines the degrees to which hand tools, animal traction, motorized traction and manual labour all contribute to the inherent hazards of farm...

Objective: The agricultural sector is one of the most important and the most basic of productive and economic sectors in each country, and support  of this sector is a very important issue in many countries around the world, that one of the principles supporting the agriculture sector is offering to appropriate and inclusive services to agricultural manufacturers and actors. In this regard, the...

Energy plays a significant role in today's developing societies. The role of energy demands to make decisions and policy with regard to its production, distribution, and supply. The vital importance of energy, especially fossil fuels, is a factor affecting agricultural production. This factor has a great influence on the production of agricultural products in Iran. The forecast of the con...

Increasing rate of unemployment among the graduates of Iranian higher agricultural education system has been developed into one of the major socio-economic problems of the nation. Entrepreneurship is one of the most important factors contributing to economic and social development, that is, it is a main driver for employment creation. As such, many policy initiatives in Iran attempt to pull agr...

2017
M. F. Seleiman Mahmoud F. Seleiman Shaimaa Selim Seija Jaakkola

Mahmoud F. Seleiman1,3, Shaimaa Selim2,4, Seija Jaakkola2 and Pirjo S.A. Mäkelä1 1Department of Agricultural Sciences, Crop Science, University of Helsinki, P.O. Box 27, FIN-00014, Helsinki, Finland 2Department of Agricultural Sciences, Animal Nutrition, University of Helsinki, P.O. Box 28, FIN-00014, Helsinki, Finland 3Permanent address: Department of Crop Sciences, Faculty of Agriculture, Men...

2013
R. Muck Richard E. Muck

Recent advances in silage microbiology are reviewed. Most new techniques in silage microbiology use the polymerase chain reaction (PCR) to make copies of a portion of the DNA in microorganisms. These techniques allow us to identify and quantify species as well as do community analysis. The PCR-based techniques are uncovering new species, both bacteria and fungi, during storage and feeding. Sila...

2009
Emma L. Aronson Steven G. McNulty

The temperature of the Earth is rising, and is highly likely to continue to do so for the foreseeable future. The study of the effects of sustained heating on the ecosystems of theworld is necessary so thatwemight predict and respond to coming changes on both large and small spatial scales. To this end, ecosystem warming studies have been performed formore than 20 years using a variety ofmethod...

2007
James Roumasset

Thinking about population as a driver of agricultural development provides insights into induced technical and institutional change, whether it be Esther Boserup’s declining fallow period, modern crop varieties, or the specialization pyramid that arises in laborintensive agriculture. The non-convexities of research and development, infrastructure investments, and specialization imply that modes...

Mahdi Mantashloo Reza Movahedi

The present research aimed at identifying employment limitations and constraints facing the university graduates in agricultural majors, also finding the solutions to enhance opportunities and job potentials for the agricultural graduates. The study used qualitative research methods. Qualitative data collection was done with the help of semi-structured interviews. Data were gathered from 30 emp...

ESEE 2015, Chania, GreeceConference dates: July 4 – 7, 2017Conference Theme: Transformative learning: new directions in agricultural extension and educationThe 23rd European Seminar on Extension (and) Education (ESEE) will be held in the MediterraneanAgronomic Institute of Chania, and hosted by the Lab. of Agricultural Extension, Rural Systems &Rural Sociology, Dept. of Agricultural Economics &...

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