Автор: Scheierling, Susanne M. Treguer, David O. Название: Beyond crop per drop ISBN: 1464812985 ISBN-13(EAN): 9781464812989 Издательство: Mare Nostrum (Eurospan) Рейтинг: Цена: 28010.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание:
With growing water scarcity in many parts of the world and projections that indicate the need to increase agricultural production and, concurrently, agricultural water use, it is increasingly advocated to focus efforts on improving agricultural water productivity and efficiency--and thus achieve more crop per drop. Many international organizations concerned with water management are also promoting these efforts, and significant public and private investments are being made in both developed and developing countries. Yet some serious problems are associated with this approach. They include conceptual issues, the methods used for measuring agricultural water productivity and efficiency, and the application of these concepts and methods in different contexts--all of which influence the choice of interventions and the evaluation of their implementation. The report aims to shed further light on these issues: first, by clarifying some of the underlying concepts in the discussion of agricultural water productivity and efficiency; second, by reviewing and analyzing the available methods for assessing water productivity and efficiency, including single-factor productivity measures, total factor productivity indices, frontier methods, and deductive methods; and, third, by discussing their application and relevance in different contexts. As a background for this analysis, the report highlights the central role of water use in irrigated agriculture and its link with increasing water scarcity. An underlying framework of the analysis is the view of the water economy transitioning from an expansionary to a mature phase. The report further develops this framework to reflect water management issues in irrigated agriculture. The framework is then applied to make the case that, with increasing water scarcity, the ongoing efforts for improving agricultural water productivity and efficiency need to move beyond crop per drop approaches, because they are in many circumstances an insufficient and sometimes counterproductive attempt to adapt agricultural water management to a maturing water economy.
Автор: Kesavan P C Название: M.S. Swaminathan: Legend In Science And Beyond ISBN: 981320009X ISBN-13(EAN): 9789813200098 Издательство: World Scientific Publishing Рейтинг: Цена: 109830.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание: This unique volume is not just an in-depth analysis of Professor Swaminathan's brilliant contributions to basic cytogenetics, radiation biology, mutagenesis and genomic affinities of cultivated potato and its wild derivatives, but also the application of the new knowledge gained to improve the productivity of agricultural crops, as also to enhance their resistance to a variety of biotic and abiotic stresses. No other earlier biographies of Professor Swaminathan bring out these salient dimensions of his scientific achievements made at the Wageningen University, The Netherlands, Cambridge University, UK, and Wisconsin University, USA as well as Indian Agricultural Research Institute (IARI), New Delhi. This biography is also unique for its revelation that Professor Swaminathan's contributions par excellence have been in contemporary areas of crop improvement for productivity and resistance to pests and diseases.This volume is also unique in bringing out that Professor Swaminathan, Father of India's Green Revolution, wanted to use this chemically intensified system only to gain 'breathing space' and went on to propose a 'systems approach' -- based evergreen revolution in order to 'achieve productivity in perpetuity' through various pathways of ecoagriculture, and also integrated it with avenues for on-farm and non-farm livelihoods. Towards this goal, he made innovative uses of ecotechnologies in a 'biovillage' paradigm and modern information and communication technology (ICT) in Village Knowledge Centres (VKCs) to provide skill and knowledge empowerment respectively of the resource-poor rural women and men towards sustainable management of the natural resources for creating income-generating on-farm and non-farm livelihoods. This volume also brings out how Professor Swaminathan elegantly combined intellect and labour (hard work), and professional zeal with compassion for the poor. He is always open to new ideas, and new technologies without of course, compromising the values of traditional knowledge and ecological prudence of the rural and tribal people. This volume nicely captures how Professor Swaminathan with a deep and comprehensive understanding of the threats to the ecological foundations of agriculture and sustainable rural development, environmental degradation, social inequities and the climate change risks, has also harnessed science and technology to convert challenges into opportunities. This volume is written in a manner to serve also as a text book, going beyond the scope of just a biography. That should benefit generations of students on one hand, and sustain an interest in the book for many years on the other.
Название: Agronomy for development ISBN: 1138240311 ISBN-13(EAN): 9781138240315 Издательство: Taylor&Francis Рейтинг: Цена: 27550.00 T Наличие на складе: Есть у поставщика Поставка под заказ. Описание:
Over the last decade there has been renewed interest in food security and the state of the global food system. Population growth, climate change and food price spikes have combined to focus new attention on the technologies and institutions that underpin the production and consumption of food that is varied, nutritious and safe.
Knowledge politics within development-oriented agronomy set the stage for some models of agricultural development to be favoured over others, with very real implications for the food security and wellbeing of many millions of people. Agronomy for Development demonstrates how the analysis of knowledge politics can shed valuable new light on current debates about agricultural development and food security. Using bio-physical and social sciences perspectives to address the political economy of the production and use of knowledge in development, this edited collection reflects on the changing politics of knowledge within the field of agronomy and the ways in which these politics feed and reflect the interests of a broad set of actors.
This book is aimed at professionals working in agricultural research as well as students and practitioners of agricultural, rural and international development.
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