نتایج جستجو برای: agricultural and non

تعداد نتایج: 17023085  

ژورنال: طب کار 2018

Background and aim: Farmers that have occupational exposed to the organic dust, bacteria, endotoxin, mites, and fungi, as well as the hazardous gases such as ammonia, sulfides, hydrogen and nitrogen oxides, may be affected by allergic asthma, non-allergic rhinitis, and organic dust toxic syndrome. This study aimed to determine the prevalence of respiratory symptoms and spirometry parameters be...

1999
Thomas W. Hertel Kym Anderson Joseph F. Francois

Much remains to be done before agricultural trade is as liberal as world trade in manufactures. But agriculture is distorted by more than agricultural policies. In developing countries especially, farming is discouraged not only by farm protection policies in high-income countries but also by those countries' own manufacturing policies and distortions to services markets. This paper explores th...

Journal: رستنیها 2012

Weed species Anoda cristata, Ipomoeahederacea,and I. trilobaare reported for the first time for the flora of Iran. Trianthema portulacastrum, andMerremiadissecta, which have been previously reported as a doubtful and an ornamental species respectively from non-agricultural areas, are recorded for the first time from arable and farmlands of the country. Exact localities, crops, distribution, ill...

Journal: :علوم اجتماعی 0
مهدی کرمانی دکتر حسین بهروان دکتر مصطفی ازکیا

rural industrialization or establishing industries in rural area as an important and most prevalent procedure for non agricultural economic development is discussed in this article. lack of main agricultural production parameters like water resource, rich and suitable soil, in these areas, in spite of plenty of manpower, directs the situation to day by day immigration rate from rural areas. ind...

Journal: :international journal of environmental research 0
a, asadi department of agricultural development and management, university of tehran, iran a. a. barati department of agricultural development and management, university of tehran, iran k. kalantari department of agricultural development and management, university of tehran, iran i. odeh department of environmental sciences, the university of sydney, australia

road network (rn) can affect patterns and distribution of land uses and covers. road network expansion has both direct and indirect impacts on land uses and covers changes. agricultural land conversions (alcs) are especially known as one of the main important types of land use changes. the purpose of this paper, in addition to estimation of the direct impact of rn expansion on alcs, is to evalu...

2017
Michael Clark David Tilman

Global agricultural feeds over 7 billion people, but is also a leading cause of environmental degradation. Understanding how alternative agricultural production systems, agricultural input efficiency, and food choice drive environmental degradation is necessary for reducing agriculture’s environmental impacts. A meta-analysis of life cycle assessments that includes 742 agricultural systems and ...

Journal: :international journal of agricultural science, research and technology in extension and education systems 2011
azadeh noorollah noorivandi

identifying role of extension system in adoption of new technologies have important role to developing favorable extension systems. for supporting sustainable agriculture in iran needs extension systems to be carefully thought and accurately implemented. the purpose of this is analyzing role of extension activities in adoption of sustainable agriculture. based on the results the attending agric...

Journal: :journal of tethys 0

this study has aimed to analyze and evaluate the natural and agricultural hazards of guilan province. guilan province, due to the presence of multiple life zones and the existence of permanent rivers, suitable lands and important wetlands, can produce a variety of crops and livestock productions, which gives this province a prominent statues and natural and agricultural hazards could result in ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1390

abstract ion selective electrodes (ises) are electrochemical sensors that respond selectivity to the activity of ionic species. an ion-selective electrode is an electrochemical device that uses a thin selective membrane or film as the recognition element, and is an electrochemical half-cell equivalent to other half-cells of the zeroth (inert metal in a redox electrolyte). in common methods o...

2003
Julie Litchfield

issues paper Acknowledgements Minority Rights Group International (MRG) gratefully acknowledges the support of all organizations and individuals who gave financial and other assistance for this paper, including the Department for International Development (UK) and CORDAID. She is an economist specializing in the analysis of poverty, inequality and redistribution in developing countries, the eco...

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