نتایج جستجو برای: farmers performance in irrigated wheat field

تعداد نتایج: 17270233  

Journal: :Agriculture 2021

Agriculture is the origin of existence and survival in any society. However, this sector always associated with risk uncertainty, farmers are faced many challenges. Therefore, main aim research was to explore (production) factors irrigated wheat production systems among Kermanshah province, Iran. The exploratory nature study on one hand need for expert judgment other necessitated a Delphi desig...

2013
Lori Beaman Dean Karlan Bram Thuysbaert Christopher Udry

Intensified use of agricultural inputs, particularly fertilizer, is a possible route to improved agricultural productivity. Field trials of these technologies show substantial increases in yields, but typically are done on highly monitored experimental plots rather than by farmers themselves. Returns to a certain technology might be quite different on real-world farms than on experimental farms...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the importance of writing as a complex skill in applied linguistics has drawn the attention of many researchers to evaluate textbooks in order to help learners gain self-sufficiency and autonomy in the field of language use and communication. investigations have shown that developments in textbooks evaluation can promote the quality of pedagogies and consequently the learning. this study attemp...

2013
Takuji W. Tsusaka Kei Kajisa Valerien O. Pede Keitaro Aoyagi

Behavioral game experiments, spatial econometrics, and household survey are blended in a single study to investigate how the experience of collective irrigation management facilitates the spillover of social behaviors among neighbors. Dictator game and public goods game experiments are conducted to quantitatively elicit altruistic behavior and contributory behavior, respectively, of rice farmer...

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

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

Alireza Poursaeed Roya Eshraghi Samani

In this study, the comparative advantage of main agricultural products and its relation to cropping pattern was studied in Ilam Province. For data analyzing the comparative advantage and government policies effects indices, Policy Analysis Matrix (PAM) were used. The obtained results for the comparative advantage indices of Domestic Resource Cost (DRC), Social Cost Benefit (SCB) and Net Social ...

2012
Douglas L. Young William F. Schillinger

Blowing dust from excessively tilled fallow fields is a major soil loss and air quality concern in the low precipitation (<300 mm annual) wheat (Triticum aestivum L.) production region of the Inland Pacific Northwest (PNW) of the United States. A 2-year tillage-based winter wheat-summer fallow (WW-SF) rotation is practiced on >90% of rainfed cropland in the region. Earlier research proved the u...

2016
Douglas L. Young William F. Schillinger

Blowing dust from excessively tilled fallow fields is a major soil loss and air quality concern in the low precipitation (<12 inches annually) wheat production region of the Inland Pacific Northwest (PNW). A 2-year, tillage-based winter wheatsummer fallow (WW-SF) rotation is practiced on more than 90% of rainfed cropland in the region. Earlier research proved that the undercutter method for non...

2008
Reiner Wassmann Christopher Martius Wulf Amelung Charles Rodgers Nick van de Giesen

Land-use and agricultural practices affect the soil microbial carbon (C) and nitrogen (N) turnover and hence the biosphere-atmosphere exchange of greenhouse gasses (GHG), namely N2O, CH4 and CO2. In view of the global importance of irrigated agriculture, it is crucial to understand how and to which extent this land-use system interferes with the terrestrial N and C cycles and contributes to the...

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