نتایج جستجو برای: during whose production chemical fertilizers and pesticides are used

تعداد نتایج: 17371752  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات 1390

in the name of allah , the compassionate the merciful abstract shath ( blasphemic utterace made during spiritual ) is a complicated concept that deserves reflection in gnosticism and sufism ( mysticism ) and estem and westem scholars have alwaya paid attention to it. although principal essence of gnostic belief is the holy divine law ,gnosticism has pure and unique thoughts . by glancing at t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم انسانی 1389

this study investigates the cohesive devices used in the textbook of english for the students of psychology. the research questions and hypotheses in the present study are based on what frequency and distribution of grammatical and lexical cohesive devices are. then, to answer the questions all grammatical and lexical cohesive devices in reading comprehension passages from 6 units of 21units th...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت دبیر شهید رجایی - دانشکده علوم انسانی 1392

abstract due to the growing importance and influence of the self of the teacher in the field of educational and cognitive psychology, the current study intended to investigate the relationship between three teacher qualities and characteristics, i.e. teacher self efficacy, self regulation, and success as perceived by their learners. the study aimed at finding whether teacher self efficacy an...

ژورنال: طلوع بهداشت یزد 2016
احرام پوش, محمد حسن, رعنایی, علیرضا, علیدادی, حسین, مختاری, مهدی,

Introduaction: Development of mushroom cultivation in Iran is considered and its production level is reached to Ninety tons per year. About five kg of waste is generated by producing one kilogram of button mushroom which can be refined by using vermicompost technology. This waste can be converted into valuable organic fertilizer and reduce the use of chemical fertilizers and reach to sustainabl...

2015

Corresponding Author: Effendy Department of Agriculture Economics, Tadulako University, Indonesia Email: [email protected] Abstract: This research aims to: (1) analyze the effect of input production against total beans per 100 g of dry cocoa beans and (2) analyze the correlation of total beans and fat content of cocoa beans. The Cobb-Douglas production function assisted in answering the...

2011
Yong Jin Yi Cheng

The modern chemical industry developed rapidly in the 20th century. Recent chemical engineering milestones — such as the integration of systems engineering methodologies, computer control, and advances in bioengineering and new materials — are at the core of today’s chemical industry, and have made enormous impacts on human civilization. The Chinese chemical industry experienced major changes i...

Journal: :Ambio 2012
Bo Sun Linxiu Zhang Linzhang Yang Fusuo Zhang David Norse Zhaoliang Zhu

Non-point source (NPS) pollution has been increasingly serious in China since the 1990s. The increases of agricultural NPS pollution in China is evaluated for the period 2000-2008 by surveying the literature on water and soil pollution from fertilizers and pesticides, and assessing the surplus nitrogen balance within provinces. The main causes for NPS pollution were excessive inputs of nitrogen...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1392

abstract the present study deals with a comparison between reactive and pre-emptive focus-on-form in terms of application and efficiency. it was conducted in an intermediate english class in shahroud. 15 male learners participated in this research and their age ranged from 18 to 25. a course book, new interchange 3, and a complementary book were used. every session the learners gave lectures o...

ژورنال: ایمنی زیستی 2019
amini, zahra, sadeghi, akram,

Serious attention to hazardous chemical pesticides began with publication of the book “Silent Spring” by Rachel Carson in 1962. Scientists believe that agriculture had the greatest impact on the environment. The most reliable evidence comes from application of million tons of chemical fertilizers and pesticides with short or long adverse effects on ecosystem. Therefore, it is essential to imple...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

hedging is a multi-purpose rhetorical strategy which is usually used in scientific arguments to secure ratification of claims, reduce the risk of negation, avoid conflict, manage disagreement and leave room for the audience to assess presented information. hedges are frequently used in research articles to mitigate the findings of research endeavors. the present research aims to investigate the...

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