Insecticide Use on Vegetables in Ghana: Would GM Seed Benefit Farmers? PDF Download
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Author: Daniela Horna, Melinda Smale, Ramatu Al-Hassan, José Falck-Zepeda, and Samuel E. Timpo
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Social Science
Languages : en
Pages : 36
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Book Description
Author: Daniela Horna, Melinda Smale, Ramatu Al-Hassan, José Falck-Zepeda, and Samuel E. Timpo
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Social Science
Languages : en
Pages : 36
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Book Description
Author: William Joseph Ntow
Publisher: Taylor & Francis
ISBN: 1439828334
Category : Science
Languages : en
Pages : 122
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Book Description
The Use and Fate of Pesticides in Vegetable-based Agro-ecosystems in Ghana reviews current knowledge on pesticides use in vegetable farming in Ghana and establishes the fate of pesticides in situ in tropical vegetable-based agro-ecosystems as well as their environmental and public health impacts on selected population groups. A field survey showed
Author: William Joseph Ntow
Publisher:
ISBN:
Category : Pesticides
Languages : en
Pages : 134
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Book Description
Thus, water, waterbed sediment and vegetable crops (viz.
Author: Seloame Tatu Nyaku
Publisher: BoD – Books on Demand
ISBN: 1789850339
Category : Medical
Languages : en
Pages : 128
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Book Description
Tomato cultivation is a major economic activity in many countries of the world. Thus, strategic efforts should be directed towards mitigating production constraints that limit overall yields and quality. In addressing some of these constraints, researchers are developing and using varieties of modern and innovative techniques to improve local tomato germplasm, make rapid genetic gains, and breed for varieties with resistance to biotic and abiotic stress. This book focuses on recent advances in genomics and genetic improvement of the tomato crop, and production systems, and center around the following themes: (i) disease and pest management in tomato production, and (ii) breeding tools and improvement of the tomato.
Author: Falck-Zepeda, José Benjamin
Publisher: Intl Food Policy Res Inst
ISBN: 0896297950
Category : Social Science
Languages : en
Pages : 266
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Book Description
A variable climate, political instability, and other constraints have limited agricultural development in African countries south of the Sahara. Genetically modified (GM) crops are one tool for enhancing agricultural productivity and food security despite such constraints. Genetically Modified Crops in Africa: Economic and Policy Lessons from Countries South of the Sahara investigates how this tool might be effectively used by evaluating the benefits, costs, and risks for African countries of adopting GM crops. The authors gather together studies on GM crops economic effects and impact on trade, how consumers view such crops, and other issues. They find that GM crops have had, on average, a positive economic effect in the nations where they were used and identify future steps for enhancing GM crop adoptions positive effects. Promising policy initiatives include making biosafety regulations that do not make GM crop development prohibitively expensive, fostering intraregional trade in GM crops, and providing more and better information about GM crops to consumers who might currently be skeptical of them. These and other findings in Genetically Modified Crops in Africa indicate ways biotechnology can contribute to economic development in Africa south of the Sahara.
Author: Ma, Xingliang
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Political Science
Languages : en
Pages : 32
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Book Description
Bt cotton remains one of the most widely grown biotech crops among smallholder farmers. Numerous studies, including those previously conducted in Pakistan, attest to its yield and cost advantages. However, the effectiveness of Bt toxin, which depends on many technical constraints, is heterogeneous. Furthermore, in Pakistan, the diffusion of Bt cotton varieties occurred despite a weak regulatory system and without seed quality control; evidence demonstrates that varieties sold as Bt may not contain the genes or express them effectively. We use data collected from a sample that is statistically representative of the nation’s cotton growers to test the effects of Bt cotton use on productivity in a damage control framework. Unlike previous studies, we employ five measures of Bt identity: name, official approval status, farmer belief, laboratory tests of Bt presence in plant tissue, and biophysical assays measuring Bt effectiveness. Only farmers’ belief that a variety is Bt affects cotton productivity. Although all measures reduce damage from pests, the biophysical indicators have the largest effect, and official approval has the weakest. For applied economists, findings highlight the importance of getting the data right concerning Bt. For policy makers, they suggest the need, on ethical if not productivity grounds, to monitor variety integrity closer to point of sale.
Author: Horna, Daniela
Publisher: Intl Food Policy Res Inst
ISBN: 089629207X
Category : Social Science
Languages : en
Pages : 234
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Book Description
Despite the ongoing controversy over their use, genetically modified (GM) crops have progressively grown in popularity and are now planted in approximately 160 million hectares in 29 countries. In the discussions of biosafety regulations for GM crops and whether to approve such crops for commercialization, many countries, including some African nations, have gone beyond environmental assessments and are now introducing socioeconomic considerations as part of their decisionmaking process. There are, however, very few guidelines on how to ensure that this inclusion of socioeconomic considerations results in a robust and efficient decisionmaking process. Socioeconomic Considerations in Biosafety Decisionmaking: Methods and Implementation provides guidance to professionals involved in assessing the ex ante impact of a GM crop in the context of an approval process. Using the case of GM cotton in Uganda, the authors illustrate the evaluation of socioeconomic impact on farmers, the national economy, and trade. The authors identify three crucial steps in making socioeconomic assessment part of a biosafety regulatory process, decisionmaking process, or both. First, select appropriate research tools and methods that yield robust results but that also take into account time and budget constraints. Second, evaluate the institutional setting of GM technology deployment. Third, allow for the uncertainties inherent in the assessment by using ranges of values for the parameters under evaluation, including yield, technology efficiency, and prices. These and other conclusions should provide useful guidance to policymakers and development researchers in countries that opt to incorporate socioeconomic considerations into their biosafety regulations, as well as their decisionmaking process for GM crop approval.
Author: Temesgen Deressa, Rashid M. Hassan, and Claudia Ringler
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Social Science
Languages : en
Pages : 32
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Book Description
Author: Temesgen Deressa, R. M. Hassan, Tekie Alemu, Mahmud Yesuf, and Claudia Ringler
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Social Science
Languages : en
Pages : 36
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Book Description
Author: Guillaume P. Gruère, Purvi Mehta-Bhatt, and Debdatta Sengupta
Publisher: Intl Food Policy Res Inst
ISBN:
Category : Social Science
Languages : en
Pages : 64
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Book Description
