نتایج جستجو برای: economic water productivity

تعداد نتایج: 917923  

Journal: :journal of agricultural science and technology 0
a. esmaeeli department of agricultural economics and development, faculty of agriculture and natural resources, university of tehran, karaj, islamic republic of iran. h. sedighi department of agricultural extension and education, faculty of agriculture, tarbiat modares university, tehran, islamic republic of iran.

most developing countries have achieved productivity growth in economic sectors like agriculture for more than 30 years. universities and governmental research centers have tried to generate knowledge with direct social and economic effects during these decades. so, productivity and production growth can be attributed to technological changes made possible through investment in agricultural res...

Privatization has been one of the most important aspects of the economic transition from a Centralized economy to a market economy In order to have maximum productivity. Theoretical arguments and empirical evidence suggests an effective performance incentive mechanism and corporate governance, and increase their productivity if the lack of government interference. In this study, after identifyi...

Journal: Iranian Economic Review 2007

It is now evident in the literature that the information and communication technology (ICT) has a positive and significant impact on the productivity and economic growth. Most studies in this area, however, are limited to the developed countries. Given different regulations and economic conditions, and also an increasing trend in allocating resources to ICT in developing countries, it is import...

2009

Regulation is pervasive in modern societies. However, well targeted and designed regulation can generate significant benefits – delivering economic, social and environmental outcomes that may not have been achieved through a laissez-faire system. However, unnecessary or poorly formulated and implemented regulation can expose business to excessive compliance costs, stifle market competition and ...

In order to investigate the effects of sowing date (SD) and single irrigation (SI) amounts on yield and yield components of rainfed wheat varieties, a field experiment was conducted as split-split plots arranged in a randomized complete blocks design with three replications during 2002-2004 at main station of Dryland Agricultural Research Institute in Maragheh, Iran. Treatments included three s...

2008
Mark Friedman

Principles from the social thought of the Indian philosopher P.R. Sarkar are employed to show that there exists an optimal level of economic inequality that joins the values of economic justice and efficiency. Sarkar favored establishing a living wage as well as a maximum wage that allows for work incentives. It is argued that the primary justification for inequality is to provide incentives fo...

ژورنال: علوم آب و خاک 2015
قیصری, مهدی, لندی, اسماعیل, مجیدی, محمد مهدی, مصطفی‌زاده فرد, بهروز, مولائی, بهناز,

Because of limiting water resources and increasing demand for food, it is necessary to investigate the effect of irrigation systems on water productivity. This research was conducted to evaluate yield and yield characteristics of two potato varieties under sprinkler and trickle irrigation systems. The treatments were two irrigation systems (sprinkler and trickle irrigation) and two potato varie...

2009
J P Boyce

Introduction Approximately 53,000 acres of sugarcane are grown under irrigation in the low-rainfall regions north of Mtubatuba, mainly at Pongola and in the Eastern Transvaal. The number of acres which limited supplies of irrigation water should serve in these areas has not been clearly defined. The area in acres to be irrigated with one cusec of water pumped or available at the source, for a g...

2006
Wim Groot Henriëtte Maassen van den Brink

Education and health are the two most important characteristics of human capital. Their economic value lies in the effects they have on productivity: both education and health make individuals more productive. Education and health have a considerable impact on individual well-being, as well. The wealth of nations is to a large extent determined by the educational attainment and the health statu...

2003
William F. Fox Tami Richards

Introduction....................................................................................................................................................................... 2 Recent Experiences with Consolidation ...................................................................................................................... 4 Consolidation and the Costs of Delivering Government Ser...

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