نتایج جستجو برای: type of farming system

تعداد نتایج: 21419703  

Journal: :Asian Journal of Plant Sciences 2001

2008
Bill Malcolm

In the future the Mallee is going to be hot and dry. Farming in the Mallee is going to be very profitable sometimes, middling profitable in some years and not profitable at all at times as has always been the case. In 10 years time there will be less Mallee farmers; they will be farming a little differently to now; and most will earn a good living. The scale of operations will be greater. The r...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...

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 ...

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

this work is presented in five parts. in the first part preparation of the starting complex [pt(c^n)cl(dmso)], 1, in which c^n = n(1),c(2?)-chelated, deprotonated 2-phenylpyridine, and dmso = dimethylsulfoxide, and its reaction with 1 equiv of the biphosphine ligands bis(diphenylphosphino)amine, dppa, or bis(diphenylphosphino)methane, dppm, to give the complex [pt(c^n)cl(dppa)], 2, or [pt(c^n)c...

2011
LAURENT GAUTHIER ROBERT KOK

Gauthier, L. and Kok, R. 1988. A microcomputer-based farm man agement/operating system. Can. Agric. Eng. 30: 69-76. The intel ligent agricultural decision support and management/operating sys tems of the near future will require very flexible architectures in order to support the high levels of functionality and effectiveness which are prerequisite to their adoption by the farming community. Th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1390

abstract: advertisements are the most accessible type of authentic materials, and this is one reason why they are used more and more in english teaching classes. for this cause, studies in the field of advertisements are very widespread nowadays. for pun is one aspect which makes advertisements more interesting, it is used more than before in advertisements. use of puns makes an advertisement m...

Journal: :علوم باغبانی 0
نخعی نخعی خلیقی خلیقی ناصری ناصری آبرومند آبرومند

abstract chemical components of narcissus (narcissus tazetta l.) essential oil investigated under farming and natural habitat conditions in south khorasan province. the essential oil was obtained using solvent extraction method. after purification, the oil was analyzed by capillary gc and gc/ms. 12 compnents making 82/82% of total oil in farm sample and 13 components making 63/86% of total oil ...

2014
Jami L. Dixon Lindsay C. Stringer Andrew J. Challinor

Studies of climate impacts on agriculture and adaptation often provide current or future assessments, ignoring the historical contexts farming systems are situated within. We investigate how historical trends have influenced farming system adaptive capacity in Uganda using data from household surveys, semi-structured interviews, focus-group discussions and observations. By comparing two farming...

2010
Poulomi Bhattacharya

The advent of scientific shrimp farming in India during 1990-91 not only boosted shrimp production but also attracted criticism on the grounds of generating adverse environmental and social impact challenging the sustainability of the system. Thus while examining the performance of alternative shrimp farming systems incorporating of the cost of negative externalities generated by shrimp farming...

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