نتایج جستجو برای: economic water productivity

تعداد نتایج: 917923  

2000
David S Saal David Parker David Saal

Aston Business School Research Institute is the administrative centre for all research activities at Aston Business School. The School comprises more than 70 academic staff organised into thematic research groups along with a Doctoral Programme of more than 50 research students. Research is carried out in all of the major areas of business studies and a number of specialist fields. For further ...

Journal: :تحقیقات مهندسی کشاورزی 0
حمیدرضا سالمی عضو هیئت علمی بخش تحقیقات فنی و مهندسی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان علیرضا توکلی عضو هیئت علمی موسسه تحقیقات کشاورزی دیم کشور

in order to improve irrigation water productivity (wp) at rice production, a field experiment was conducted at shahid fozveh research station (esfahan region) during 2001-2003. experiment was arranged in a split plot design (rcbd) with three replications. the treatments were: three levels of irrigation managements including i1: permanent flooding under 3.5cm water during growth period, i2:perma...

2018
Qingfeng Miao Haibin Shi José M. Gonçalves Luis S. Pereira

The sustainability of the Hetao Irrigation System, located in the water scarce upper Yellow River basin, is a priority considering the need for water saving, increased water productivity, and higher farmers’ incomes. The upgrading of basin irrigation, the main irrigation method, is essential and includes the adoption of precise land levelling, cut-off management, improved water distribution uni...

Journal: :Water 2021

Pakistan possesses the fourth largest irrigation network in world, serving 20.2 million hectares of cultivated land. With an increasing irrigated area, is short freshwater resources and faces severe water scarcity food security challenges. This first comprehensive study on footprint (WF) crop production Peshawar Basin. WF defined as volume required to produce goods services. In this study, we a...

Journal: :بوم شناسی کشاورزی 0
کوروش مجد سلیمی ابراهیم امیری شهرزاد شایگان

water productivity index is one of the main factors in efficient use of water for agricultural products. in this study, the rate of water productivity (wp) in six irrigated tea fields and three rainfed (no irrigation) were assessed by farmer’s management for two years (2009-2010). yield of each tea field in successive harvests, soil moisture monitoring by gravimetric soil and use of water balan...

Journal: :Ciencia Rural 2023

ABSTRACT: This research evaluated the yield, water productivity, and economic productivity for oil content of three soybean cultivars under different conditions. The experiments were conducted in 2017/2018 2018/2019 harvests. experimental design consisted a two-factor randomized block, with first factor 5 irrigation depths, based on reference evapotranspiration (ETO), plus treatment without sec...

Journal: :برنامه ریزی و بودجه 0
علیرضا امینی alireza amini دانشگاه آزاد اسلامی

this paper tries to measure and analyze the trend of indicators of labor and capital productivity as well as total factor productivity (tfp) in the economic sectors introduced in the 4th five-year-development plan for the period within 1971-2003. according to the results, the productivity indicator throughout iran has increased 0/9% on average annually and the highest growth has been in the tel...

2001

Good morning. When CEDA approached me about speaking today, I was asked to concentrate on longer-term developments that will have a bearing on Australia’s future economic performance. Such an offer seemed hard to refuse, and so I looked around for a topic on which I could hopefully say something of interest. Given the impressive productivity growth that has been experienced over the past decade...

Journal: :رفاه اجتماعی 0
وحید مهربانی v mehrbani

objective: reaching to high economic growth has always been a concern for economic policy makers in developing countries including iran. since labor productivity is one of the most important sources of economic growth, policies are targeted to boost labor productivity in most countries. for realization of this aim, there is a special consideration to health improvement policies because health i...

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