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Author: Thomas S. Walker
Publisher: CABI
ISBN: 1780644019
Category : Science
Languages : en
Pages : 480
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Book Description
Following on from the CGIAR study by Evenson and Gollin (published by CABI in 2003), this volume provides up-to-date estimates of adoption outcomes and productivity impacts of crop variety improvement research in sub-Saharan Africa. The book reports on the results of the DIIVA Project that focussed on the varietal generation, adoption and impact for 20 food crops in 30 countries. It also compares adoption outcomes in sub-Saharan Africa to those in South Asia, and guides future efforts for global agricultural research
Author: Thomas S. Walker
Publisher: CABI
ISBN: 1780644019
Category : Science
Languages : en
Pages : 480
Get Book Here
Book Description
Following on from the CGIAR study by Evenson and Gollin (published by CABI in 2003), this volume provides up-to-date estimates of adoption outcomes and productivity impacts of crop variety improvement research in sub-Saharan Africa. The book reports on the results of the DIIVA Project that focussed on the varietal generation, adoption and impact for 20 food crops in 30 countries. It also compares adoption outcomes in sub-Saharan Africa to those in South Asia, and guides future efforts for global agricultural research
Author: Tomas S. Walker
Publisher:
ISBN: 9781780644028
Category : Agricultural productivity
Languages : en
Pages : 450
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Book Description
This book contains 21 chapters presenting the most comprehensive, accurate and informative view of the spread of improved crop cultivars in Africa south of Sahara. The importance of the diffusion and adoption of different crop cultivars and the impacts of the use of these improved cultivars are also discussed.
Author: Nuthalapati, Chandra Sekhara Rao
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Social Science
Languages : en
Pages : 41
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Book Description
Soybeans were promoted on a large scale in India in order to augment farmers’ incomes in poverty-stricken areas and to combat dietary protein deficiencies. Soybean cultivation in India is a unique success story, having expanded in area from zero in 1970 to 11.5 million hectares by the first decade of this millennium At this juncture, the major concern of policymakers is to sustain cultivation of soybeans by ensuring reasonable growth in yield and farm incomes in the face of competitive yield improvements in comparable crops such as corn. This paper tries to understand the varietal adoption patterns and the stages of diffusion of existing varieties. It uses a large primary data set of 1,410 farm households in central and western India to unravel the underlying pathways for accelerating varietal turnover. It employs a dynamic framework by harnessing duration analysis. The average age of the adopted varieties is 8.4 years, which is relatively high and implies slower varietal turnover. Survival functions show that adoption of the leading varieties has reached the saturation stage and that policy intervention at this point can thus have a rapid impact in terms of varietal replacement. The analysis of rate of change of varietal replacement through hazard functions throws up interesting conclusions that are relevant to the formulation of new policies. Examination of all three conceptualized pathways—farm characteristics, sources of information, and perceived traits of the varieties and of genetic improvements—suggest the need for substitution of existing varieties with new improved varieties. While the drivers of varietal change do not vary with size of farm, regional differences are relevant. This paper discusses the potential impact of policy on production and income.
Author: Asare-Marfo, Dorene
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Political Science
Languages : en
Pages : 123
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Book Description
An impact assessment (IA) study was conducted in Season B 20152 to establish the reach of high-iron bean (HIB) varieties to Rwandan bean farmers since these varieties were released in 2010, and to understand the adoption and diffusion patterns that have occurred so far. The IA was carried out in two parts. The first part was a listing survey, which was conducted at the beginning of Season B 2015, during the planting period. A total of 19,575 households were enlisted in 120 randomly selected villages throughout the country, and 93 percent of those households were bean-producing households. The listing exercise revealed that 28 percent of bean farmers had grown at least one HIB variety in at least one season, since 2010—the equivalent of approximately half a million households. In Season B 2015, 20 percent of bean farmers were reported to be growing an HIB—the equivalent of approximately 350,000 households. Detailed results of the listing exercise are available in a separate report3. The second part of the study was a more detailed household survey, which was conducted among a subsample of nearly 1,400 bean-farming households, immediately after harvest had taken place. Both the listing and main household survey are nationally representative of rural bean producing households in Rwanda. This report presents key descriptive results from the main survey and sheds light on issues that may be investigated further in forthcoming publications. Key takeaways from the report are summarized below.
Author: OECD
Publisher: OECD Publishing
ISBN: 9264264124
Category :
Languages : en
Pages : 268
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Book Description
The US food and agriculture sector is innovative, competitive and export-oriented. Maintaining high productivity growth in light of changes in national and global demand, while improving the sustainable use of resources, will nonetheless require further innovation.
Author: Dr Shoba Sivasankar
Publisher: Burleigh Dodds Science Publishing
ISBN: 1786761424
Category : Technology & Engineering
Languages : en
Pages : 322
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Book Description
Detailed coverage of particular grain legumes Chapters on each key aspect of grain legume cultivation: improved varieties and advances in cultivation techniques International range of authors with specific expertise in each grain legume
Author: Partha Dasgupta
Publisher: Cambridge University Press
ISBN: 1108482287
Category : Business & Economics
Languages : en
Pages : 465
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Book Description
Questions why species are becoming extinct, and how we can protect the natural world on which we all depend.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251300887
Category : Technology & Engineering
Languages : en
Pages : 60
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Book Description
Pulses have a long history in sub-Saharan Africa due to their multiple benefits. Pulses, and legumes in general, can play an important role in agriculture because of their ability to biologically fix atmospheric nitrogen and to enhance the biological turnover of phosphorus; thus they could become the cornerstone of sustainable agriculture in Africa. In this sense, there is a body of literature that points to diversification of existing production systems – particularly legumes species, which provide critical environmental services, including soil erosion control and soil nutrient recapitalization. This publication is a review of some of the promising strategies to support the cultivation and utilization of pulses on smallholder farms in sub-Saharan Africa. The review is part of the legacy of the International Year of Pulses (IYP), which sought to recognize the contribution that pulses make to human well-being and the environment.
Author: Lynam, John
Publisher: Intl Food Policy Res Inst
ISBN: 0896292126
Category : Political Science
Languages : en
Pages : 459
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Book Description
This book—prepared by Agricultural Science and Technology Indicators (ASTI), which is led by IFPRI—offers a comprehensive perspective on the evolution, current status, and future goals of agricultural research and development in Africa, including analyses of the complex underlying issues and challenges involved, as well as insights into how they might be overcome. Agriculture in Africa south of the Sahara is at a prospective tipping point. Growth has accelerated in the past decade, but is unsustainable given increasing use of finite resources. The yield gap in African agriculture is significant, and scenarios on feeding the world’s population into the future highlight the need for Africa to expand its agricultural production. Agricultural Research in Africa: Investing in Future Harvests discusses the need to shift to a growth path based on increased productivity—as in the rest of the developing world— which is essential if Africa is to increase rural incomes and compete in both domestic and international markets. Such a shift ultimately requires building on evolving improvements that collectively translate to deepening rural innovation capacity.
Author: Danny Hunter
Publisher: Routledge
ISBN: 1317753283
Category : Nature
Languages : en
Pages : 1300
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Book Description
The world relies on very few crop and animal species for agriculture and to supply its food needs. In recent decades, there has been increased appreciation of the risk this implies for food security and quality, especially in times of environmental change. As a result, agricultural biodiversity has moved to the top of research and policy agendas. This Handbook presents a comprehensive overview of our current knowledge of agricultural biodiversity in a series of specially commissioned chapters. It draws on multiple disciplines including plant and animal genetics, ecology, crop and animal science, food studies and nutrition, as well as social science subjects which explore the socio-economic, cultural, institutional, legal and policy aspects of agricultural biodiversity. It focuses not only on the core requirements to deliver a sustainable agriculture and food supply, but also highlights the additional ecosystem services provided by a diverse and resilient agricultural landscape and farming practices. The book provides an indispensable reference textbook for a wide range of courses in agriculture, ecology, biodiversity conservation and environmental studies.
