نتایج جستجو برای: mean productivity

تعداد نتایج: 668079  

2011
Jie Li Koichi Ishida Muzhi Zhao Ralf Diestelkaemper Xuan Wang Yin Lin

2013
Enzo Mingozzi Yonghe Liu

In response to the call for papers, we received a total of 148 submissions from 37 countries, well distributed across the various world regions and the conference topics. With such a large number of papers, the Technical Program Committee was faced with the daunting task of selecting the best papers. After a careful and strenuous review phase with all the papers receiving at least 3 reviews, fo...

2013
V. K. Dua B. P. Singh P. M. Govindakrishnan Sushil Kumar S. S. Lal

Impact assessment of climate change on potato productivity in Punjab for three potato cultivars of late (Kufri Badshah), medium (Kufri Jyoti) and early (Kufri Pukhraj) maturity groups was carried out for A1FI scenario of temperature and atmospheric CO2 of the years 2020 and 2055. The simulation study was done using WOFOST crop growth model for potential production at 13 locations in Punjab. The...

Journal: :Journal of environmental management 2007
X Feng G Liu J M Chen M Chen J Liu W M Ju R Sun W Zhou

The terrestrial carbon cycle is one of the foci in global climate change research. Simulating net primary productivity (NPP) of terrestrial ecosystems is important for carbon cycle research. In this study, China's terrestrial NPP was simulated using the Boreal Ecosystem Productivity Simulator (BEPS), a carbon-water coupled process model based on remote sensing inputs. For these purposes, a nati...

2013
A. G. Guttormsen

Purpose: In this article we illustrate the importance of understanding the risk profiles of new technologies, in addition to the changes in productivity, to be able to determine strategies for agricultural development. Design/methodology/approach: The analysis is based on data obtained from a 2002 survey of subsistence farmers in the Kilimanjaro region of Tanzania, and a Just and Pope (1978) fr...

Journal: :international journal of agricultural management and development 2011
maryam shokoohi mohammad kavoosi kalashami farzad serajzadeh

the issue of convergence or divergence of productivity has important policy for regional poverty reduction and increasing standards of living. if productivity converges to a common level without intervention, there is little need for explicit policies in lagging regions to promote catch up. on the other hand, productivity has divergence trend, then explicit policies would be needed to prevent f...

The last decade has ushered in a rapidly expanding global discussion regarding acellular dermal matrix (ADM) applications, economic analyses, technical considerations, benefits, and risks, with recent emphasis on ADM use in breast surgery. This study aims to evaluate global trends in ADM research using bibliometric analysis. The top nine Plastic Surgery journals were determined by impact factor...

2014
Arthorn Riewpaiboon Moritz Piatti Benedikt Ley Jacqueline Deen Kamala Thriemer Lorenz von Seidlein Mohammad Salehjiddawi Clara Jana-Lui Busch Wolfgang H. Schmied Said Mohammed Ali The Typhoid Economic Study Group (GiDeok Pak, Leon R. Ochiai, Mahesh K. Puri, Na Yoon Chang, Thomas F. Wierzba, and John D. Clemens)

The aim of this study was to estimate the economic burden of typhoid fever in Pemba, Zanzibar, East Africa. This study was an incidence-based cost-of-illness analysis from a societal perspective. It covered new episodes of blood culture-confirmed typhoid fever in patients presenting at the outpatient or inpatient departments of three district hospitals between May 2010 and December 2010. Cost o...

Seyed Afshin Safavi Seyed Mehdi Safavi, Seyyed Saeid Pourdad

This study was conducted to determine drought tolerance genotypes with superiority in different stressed environments. To screening quantitative indices of drought tolerance, genotypes of safflower (Carthamus tinctorius L.) were tested in a complete randomized block design with three replications under two different water regimes (irrigated and rainfed). Significant positive correlatio...

We find the greatest values $alpha_{1} $ and $alpha_{2} $, and the least values $beta_{1} $ and $beta_{2} $ such that the inequalities $alpha_{1} C(a,b)+(1-alpha_{1} )H(a,b)

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