نتایج جستجو برای: agricultural activities

تعداد نتایج: 471358  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

2017
Elsa Sampaio Júlio C. Lima

As stated by the editors Brandt, C. and Thornes, J., 1996, “Both the vegetation and land use in the Mediterranean areas of Europe strongly reflect human activity since at least the Bronze Age”. Putting it briefly for the recent past ca. ninety-year period, the natural land‐ scape covered by the original “silvalusitana” has been deforested for agricultural purposes and substituted by monoculture...

2011
Marrit van den Berg

This paper addresses the issue of self-selection of individuals in international labour migration, non-agricultural and agricultural employment in Tajikistan and its link to earnings from these activities. Unlike most empirical studies, we could attribute selection bias on unobservable characteristics to the allocation of individuals to alternative employment sectors and analyse its impact on e...

2001
Neil A. Knobloch Robert A. Martin

The purpose of this study was to analyze the status of agricultural awareness efforts in elementary grades (K through 6) in a selected seven county area in east central Iowa. The two objectives of this study were: (I) To identify elementary school teachers ' perceptions regarding the agricultural industry, the integration of agriculture into the elementary curriculum and the need for agricultur...

Journal: :اقتصاد و توسعه کشاورزی 0
فاطمه علیجانی ماشااله سالارپور محمود صبوحی

considering the importance of the impact of subsidy reform on the agricultural sector, the study aimed at understanding consequences of changes in the rates of production subsidy using general equilibrium model based on input-output table in the year 2001.the study conducted based on three scenarios containing step, down and finally removed rates of production subsidy. the effects on production...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی و پایه 1390

the present study aimed at investigating the relationship between iranian efl teachers’ classroom management orientations and their teaching styles. additionally, the difference between male and female teachers’ teaching styles and classroom management orientations and their relationship with experience and age were explored. three hundred efl teachers filled in attitudes and beliefs on classro...

2007
S. M. Tavakkoli

Space borne radar data facilitates continuous monitoring of almost any location on the earth (limitations in polar zones) with quite low costs. Almost weather-independent operation of radar systems enables a reliable and continuous record of data from earth’s surface. In the framework of an ESA pilot project (AO335), ENVISAT polarimetric SAR data of years 2004 and 2005 are examined for their us...

Journal: :Journal of agricultural safety and health 2005
J Depczynski R C Franklin K Challinor W Williams L J Fragar

Noise injury in agriculture is a significant yet often unrecognized problem. Many farmers, farm workers, and family members are exposed to noise levels above recommended levels and have greater hearing loss than their non-farming contemporaries. The aim of this study was to gather up-to-date information on farm noise levels and to enhance the quality of information available to assist farmers i...

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