نتایج جستجو برای: organic low input production

تعداد نتایج: 2080527  

Journal: :INTERNATIONAL RESEARCH JOURNAL OF AGRICULTURAL ECONOMICS AND STATISTICS 2014

ژورنال: علوم آب و خاک 2003
احمد رضوانفر, , هادی ویسی, ,

To improve livestock production and to modernize dairy husbandry in Iran, it is essential to disseminate the most recent information on dairy husbandry technologies and management practices through various means among farmers. An understanding of farmers’ communication behaviour is essential in formulating effective communication strategies for livestock development. For the purposes of this st...

2017
Yi Wang Zhanguo Zhu Feng Chu Riccardo Manzini

We analyze the organic and non-organic production choices of two firms by considering customers’ trust in organic food products. In the context of customers’ possible willingness to pay a premium price and their mistrust in organic food products, two firms first make choices on offering organic and non-organic food products. If offering organic products, a firm can further invest in the credenc...

Journal: :iranian journal of oil & gas science and technology 2015
bahram alizadeh majid alipour bahram habibnia ahmad reza gandomi-sani behzad khani

in an attempt to reconstruct the paleoenvironments of deposition for the middle jurassic baghamshah formation, samples collected from six outcrop sections along the shotori swell were subjected to detailed geochemical analyses. bulk geochemical and biological marker data indicate a logical trend of the variation of organic input, salinity, and oxicity within baghamshah paleoenvironments across ...

Journal: :Agronomy 2021

It is estimated that more than 95% of organic agriculture based on crop cultivars were bred for the conventional high-input sector. Most selections made through breeding programs and lack important traits required under low-input conditions. Hybrids are most common type used in tomato because heterosis. In tomato, continuous selfing enabled homozygosity to exploit favorable additive genes, resu...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1377

the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

Journal: :INTERNATIONAL RESEARCH JOURNAL OF AGRICULTURAL ECONOMICS AND STATISTICS 2014

تقی پور, میترا, توحیدلو, قاسم, سوری, محمدکاظم,

Nowadays, knowing that chemical fertilizers have distinct pollution effects on environmental quality parameters, the organic fertilizers represent a suitable and safe alternative, at least for landscape applications. However, the response of many ornamental and landscape plants, including Sweet William, to different chemical and organic fertilizers are not well known. Thus, this factorial exper...

Journal: :اقتصاد و توسعه کشاورزی 0
علی رضا کوچکی محمد قربانی هومن منصوری محسن رجب زاده

introduction: food consumption patterns are changing as a result of health and environmental issues. subsequently, farmers are under increasing pressure to develop and utilize less toxic production methods and pest control. organic agriculture is a production system that sustains the health of soils, ecosystems, and people. it relies on ecological processes, biodiversity, and cycles adapted to ...

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