نتایج جستجو برای: agriculture. using cochran's formula

تعداد نتایج: 3499246  

Journal: :International journal of advanced research 2021

This study examined the effect of ethicalcodes on customer service delivery selected quoted deposit money banks in Lagos state, Nigeria. Cross-sectional survey research design was adopted study. The population 38,003 staff and 17,780 corporate customers eight State, A sample size 494 for were determined using Cochrans formula. Stratified proportionate sampling technique Data collected a structu...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
صالح حقیقت دانشجوی کارشناسی ارشد مدیریت کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران هوشنگ ایروانی استاد گروه مدیریت و توسعة کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران خلیل کلانتری استاد گروه مدیریت و توسعة کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران ابراهیم مهدوی دانشجوی کارشناسی ارشد توسعة کشاورزی دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران سیدعلیرضا قدیمی دانشجوی دکتری توسعة کشاورزی دانشگاه رازی کرمانشاه

dispersion and separated of agricultural lands are considered as the serious barriers of agriculture development. the smallest and distributed oflands are obstacle in the efficient use of water, land, labor, mechanization and other factors in agriculture production. the main purpose of this article is analyse the influenced factors of the rejection of land integration. the statistical populatio...

Journal: :international journal of agricultural science, research and technology in extension and education systems 0
solieman rasouliazar assistant professor of agricultural management, mahabad branch, islamic azad university, mahabad, iran maryam sadeghi msc student of agricultural management, mahabad branch, islamic azad university, mahabad, iran nouraldin shayesteh professor of plant protection, mahabad branch, islamic azad university, mahabad, iran

organic agriculture, sometimes called biological or ecological agriculture, combines traditional conservation-minded farming methods with modern farming technologies .the purpose of this research was to identify management skills in development of organic agriculture in west azerbaijan province (iran) farms. the target population of this research included all agricultural experts who work in we...

Organic agriculture, sometimes called biological or ecological agriculture, combines traditional conservation-minded farming methods with modern farming technologies .The purpose of this research was to identify management skills in development of Organic Agriculture in West Azerbaijan Province (Iran) farms. The target population of this research included all agricultural experts who work in We...

Organic agriculture (OA) includes a comprehensive production management system that is considered as one of the strategies to reduce negative impacts of industrial agriculture in many countries. This research was identifying factors affecting the development of OA in Ardabil province. A descriptive– correlation survey approach was used in this study. Participants were agricultural specialists o...

Journal: :تحقیقات جغرافیایی 0
سیدهدایت الله نوری دانشگاه اصفهان داود جمینی دانشگاه اصفهان علیرضا جمشیدی دانشگاه اصفهان عیسی بهاری دانشگاه اصفهان نصرت مرادی دانشگاه اصفهان

one of the most important aspects of sustainable development is sustainable agriculture. therefore, nowadays, achieving a sustainable agricultural system is an important policy in agriculture department of countries. the main objective of this study is identifying factors affecting stability of rice cultivation in the city of shirvan and chardavol in ilam province. this study was a survey and i...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
عبادالله نعمتی کارشناس ارشد توسعة روستایی، دانشگاه تهران هوشنگ ایروانی استاد دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران علی اسدی استاد دانشکدة اقتصاد و توسعة کشاورزی، دانشگاه تهران

the main purpose of this paper is analyzing sustainability condition for potato cultivation in bahar-hamedan plain. potato farmers population in this plain is 2054 individuals. we obtained sample size, which are 162 by using cochrane’s formula. for increasing accuracy 172 samples fill out the questionnaires. data analyzed by spss software. results showed that sustainability level was low or ver...

2004
James D. Noll Eileen Birch

US Department of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Pittsburgh Research Lab, 626 Cochrans Mill Road, Pittsburgh, PA 15236, USA. E-mail: [email protected]; Fax: þ1 412-386-4917; Tel: þ1 412-386-6828 US Department of Health and Human Services, Public Health Service, Centers for Disease Con...

Journal: :پژوهش و برنامه ریزی روستایی 0
حسین فراهانی محمد ولایی زکیه رسولی نیا

economic and economic structures important factorin fluencing in the manufacturing, shaping and development people living space. in the approach geography is very important production trend, transport, interchange, changing shape and consumption products required people, risedesire, spirit,the beliefsand behavior. weekly market from the distant past hitherto as center for doing necessary interc...

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