the main purpose of this study was to investigate experts’ perceptions of barriers to organic farming in ministry of agriculture. the population of this survey consisted of the experts in department of horticultural products, ministry of agriculture in 2008-2009 (n= 160). using of kerejcie and morgan table, 113 experts were selected through stratified random sampling method. validity of the ins...

http://dx.doi.org/10.1016/j.chb.2014.06.025 0747-5632/ 2014 Elsevier Ltd. All rights reserved. q This research was supported in part by the Cornell Agricultural Experiment Station federal formula funds, Project No. NYC-131442 received from Cooperative State Research, Education, and Extension Service, U.S. Department of Agriculture. Any opinions, findings, conclusions, or recommendations express...

Produced by Communications and Marketing, College of Agriculture and Life Sciences, Virginia Polytechnic Institute and State University, 2015 Virginia Cooperative Extension programs and employment are open to all, regardless of age, color, disability, gender, gender identity, gender expression, national origin, political affiliation, race, religion, sexual orientation, genetic information, vete...

Further education and training are very important factors for the agriculture sector. Unfortunately, the lack of time and space has lead to their limited appliance to farmers. Limited financial support and low background knowledge in Information and Communications Technology are two more suspending factors. At the same time rapid technological progress has lead to the implementation of Internet...

Long-Run Structural and Productivity Change in U.S. Agriculture: Effects of Prices and Policies by Wallace E. Huffman and Robert E. Evenson This paper presents (1) a conceptual framework for structural change when farms may be multiproduct or specialized and (2) an econometrics examination of causes of structural and total factor productivity (TFP) change for U.S. agriculture. Farm size, farm s...

Departments of Biology (K.J., A.F.-C., A.M.J.) and Pharmacology (A.M.J.), University of North Carolina, Chapel Hill, North Carolina 27599–3280; School of Agriculture and Food Science, University of Queensland, Brisbane, Queensland 4072, Australia (Y.T., J.R.B.); Centro de Biotecnología y Genomica de Plantas, Universidad Politécnica de Madrid, Campus de Montegancedo, E–28223 Pozuelo de Alarcon, ...

Photosynthetic and biochemical characterization of in vitro-derived African violet (Saintpaulia ionantha H. Wendl) plants to ex vitro conditions Yaser Hassan Dewir, Mohammed El-Sayed El-Mahrouk, Hanady Salim Al-Shmgani, Hail Z. Rihan, Jaime A. Teixeira da Silva & Michael P. Fuller a Plant Production Department, College of Food and Agriculture Sciences, King Saud University, Riyadh 11451, Saudi ...

S. W. Fraedrich, Southern Research Station, USDA Forest Service, Athens, GA 30602; T. C. Harrington, Department of Plant Pathology, Iowa State University, Ames 50011; R. J. Rabaglia, Forest Health Protection, USDA Forest Service, Arlington, VA 22209; M. D. Ulyshen, Southern Research Station, USDA Forest Service, Athens, GA 30602; A. E. Mayfield, III, Florida Department of Agriculture and Consum...

a State Key Laboratory of Resources and Environmental Information System, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, PR China b Graduate University of the Chinese Academy of Sciences, Beijing 100049, PR China c Agri-Environmental Services Branch (AESB), Agriculture and Agri-Food Canada (AAFC), 960 Carling Av. Ottawa, ON, Canad...

a Institute of Tropical Medicine and Infectious Diseases, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya b Centers for Disease Control and Prevention, Kenya c Centre for Microbiology Research, Kenya Medical Research Institute, Nairobi, Kenya. d Department of Emerging Infectious Diseases, United States Army Medical Research Unit, Kenya e Department of Biochemistry, School...