نتایج جستجو برای: farmers irrigated wheat

تعداد نتایج: 96584  

Journal: :OR Insight 2011
Narges Banaeian Morteza Zangeneh

Wheat is widely grown in Iran as a staple food; therefore, the government there encourages farmers to produce wheat (a common agricultural enterprise) by increasing farm productivity and efficiency. The study compares the efficiency of wheat production for dryland (low input) and irrigated (high input) systems across Iranian provinces by using Data Envelopment Analysis (DEA). The average techni...

2011
John Smith John Lacy Shu Fukai

Cropcheck developed following the identification of limitations to the Transfer of Technology (TOT) extension model which occurred through the 1970’s and into the early 1980’s (Lacy 2011). Irrigated wheat yields stagnated with high variability from year to year and no understanding as to why this occurred. This was despite several communication methods (farm visits, demonstrations, plot trials,...

Journal: :تحقیقات اقتصاد و توسعه کشاورزی ایران 0
زهرا رنجبر کارشناس¬ارشد بخش ترویج و آموزش کشاورزی دانشگاه شیراز عزت اله کرمی استاد بخش ترویج و آموزش کشاورزی دانشگاه شیراز

iranian farmers are faced with many challenges. they must be economically efficient, produce enough food for the growing population and must be sensitive to environmental concerns. however, there is a growing concern related to the aftermath and side-effect of some agricultural activities on environment. these concerns made researches to consider agricultural activities with profound care in or...

Agriculture has a key role in greenhouse gas emissions.  As such, the present study aimed to evaluate the greenhouse gas emissions from wheat production in irrigated and rain-fed systems. The primary data were collected from 116 wheat farmers. The results showed that the total greenhouse gas emissions from wheat production in irrigated and rain-fed systems were 637.8 and 65.12 kgCO2eq, respecti...

2014
Haroon Sajjad Sandip Prasad

This paper analyzed dynamics of crop diversification in one of the agriculturally prosperous districts of Indian Punjab using Gibbs Martin Index. Spatio-temporal analysis of crop diversification in the district shows decline in crop diversification in most of the blocks (administrative sub divisions). The cropping pattern in most of the blocks of the district has become over specialized in the ...

Ali-baygi, Amir-hossein, Ghanbar-ali, Rezvan,

Learning, development of technology and adoption of new agricultural methods would have great impact upon peasant productivity more specifically upon subsistent farmer’s status. This study aims to investigate the impact of agricultural extension program upon the performance of wheat producers in Kermanshah. Research statistical society includes 186 of wheat farmers who participated in the schoo...

2009
T. C. Paulitz

Irrigated crops are produced on 645,000 ha in east-central Washington and northcentral Oregon (1). Approximately 70% of this cropland is irrigated with water diverted from rivers, while water for the remaining hectares is pumped from deep wells. Much of the irrigated cropland is found in areas of less than 200 mm annual precipitation, where dryland farming is difficult or impossible. Wind erosi...

Journal: :اقتصاد و توسعه کشاورزی 0
شبنم کراری قره باغ باب اله حیاتی

in urmia county, irrigated wheat yield varies in different regions. the highest and lowest yields are attributed to nazloo region (6.58 tons per hectare) and the lowest yield was for silvana region ( 2.77 tons per hectare) respectively. so, the purpose of this study is analysis of management factors impact on irrigated wheat yield in nazloo and silvana regions of urmia county. to this end, by q...

Journal: :دو فصلنامه علمی - تخصصی پژوهش های اقتصاد توسعه و برنامه ریزی 0
الهامر پورمختار دانشجو دکترا اقتصاد کشاورزی دانشگاه آزاد تهران-واحد علوم تحقیقات حامد قادرزاده استادیار گروه اقتصاد کشاورزی دانشگاه کردستان

the current study attempted to investigate the mathematical sturcuture of cost function of irrigated wheat crop in kurdistan province. the methodolgy is based on duality assumption. the sample size is 257 farmers for the agricultural year 2011-2012.data was collected byinterviewwith farmers and writing writerquestionnaire.the multistage cluster random sampling used. the results showed that, the...

Journal: :international journal of agricultural management and development 2014
masoud samian karim naderi mahdei heshmatollah saadi hamid balali reza movahedi

the main purpose of the study was to investigate the factors affecting the sustainable management of agricultural water in hamedan. the study population included all wheat farmers possessing irrigated farms in hamedan city (n=1800). of these farmers a sample of 317 people has been selected by using randomized multi-stage sampling method. the data were collected through a questionnaire's tool wi...

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