235 research outputs found

    Caperton\u27s Next Generation: Beyond the Bank

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    The article looks at a panel discussion on judicial responsibility and the U.S. Supreme Court\u27s decision in \u27Caperton v. A.T. Massey Coal Co.\u27 discussed by several law professionals including Jed Shugerman, Debra Lyn Bassett and Dmitry Bam at a 2014 symposium held in the New York University

    Weather-index based crop insurance as a social adaptation to climate change and variability in the Upper West Region of Ghana: Developing a participatory approach

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    Climate change and variability are major challenges to rain-fed crop production in Africa. This paper presents a report on a pilot project to test a concept for operationalizing weatherindex crop insurance as a social adaptation to the climate change and variability problem in the Upper West Region of Ghana. An analysis of long-term weather variables showed rising temperature of 1.7 oC over a period of 53 years as well as major shifts in rainfall patterns. Farmers face a new reality that cannot be addressed with their indigenous knowledge alone. The weather-index based crop insurance concept discussed herein was developed by combined effort of University of Ghana, the German International Cooperation (GIZ) and the Ghana National Insurance Commission (NIC) since 2010. This development was carried out via their filial, the Ghana Agricultural Insurance Pool (GAIP). The proposed concept sought to link various agricultural stakeholders such weather technical persons, farmers, agricultural extension officer, input dealers and other aggregators, and financial institutions as well as the insurance industry and focused on a participatory farmer led approach. The piloting of the concept was supported by the Climate Change and Food Security (CCAFs) project and was tested in the years 2012 and 2013 using a theatrical drama sketch in two districts in the Upper West Region of Ghana: Jirapa and Lawra. It was observed that training of farmers in the basic principles of weather (data collection, interpretation, etc.) facilitated the discussions on drought insurance, adding to the body of evidence supporting participatory design tools. The aim of this paper is to record this process and to put the results into recent context, through discussing them through the lens of insurance operations and research in Ghana. Ensuing discussions showed that although all stakeholders considered the participatory design tools to be meritorious, a number of logistical challenges were identified that need to be addressed for effective scaling. The study also highlighted the high spatial variability of rainfall in the Upper West region of Ghana, showing the necessity of satellite-derived rainfall products. Finally, the framework suggested in this report highlights the complexity and the institutional structures required to implement an effective insurance. In effect, our simple study has exposed the complexities and intricacies that must be overcome in establishing a sustainable insurance scheme in Ghana

    Effects of cowpea fortification and the level of ripeness of plantain on the nutritive value of plantain based snack foods

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    To investigate effects of cowpea addition and level of ripeness of plantain on the nutritional and sensory characteristics of Kaklo and Ofam in Ghana, A 2X4 factorial experiment with firm and soft ripe plantain and cowpea fortification of 0, 10, 20 and 30% was designed. The proximate composition and acceptability of products using a 7-point hedonic scale were evaluated. With the addition of 30% cowpea, the protein content of the Kaklo from the firm ripe and soft ripe plantain increased from 2.92% to 7.32% and 3.65% to 8.05% respectively, whilst the protein of the Ofam from the firm and soft ripe plantain also increased from 3.80% to 8.45% and 3.75% to 8.15% respectively. The 10% fortified Kaklo and Ofam werethe most acceptable. The cowpea addition significantly affected the nutritional value of the Kaklo and Ofam. To obtain an acceptable cowpea fortified plantain-based snack, the fortification should be done at10%

    Integrating farmers' knowledge, attitude and practice in the development of sustainable Striga control interventions in southern Mali

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    Technologies for Striga control have not been widely adopted because of the mis-match between technologies and farmers' socio- economic conditions. This study uses a participatory rural appraisal technique at the village, household and plot levels to diagnose the extent of the Striga problem in two agro- ecological zones in southern Mali. It has led to the understanding of farmers' attitudes and constraints to Striga control, and opportunities for the development of sustainable technologies suitable for a wide range of farming conditions. Results show that the degree of Striga infestation, levels of farmer knowledge and control practices vary substantially across village territories and fields, and that the severity of the infestation is clearly linked with soil fertility condition and farming practices. It was concluded that in general, the Striga control interventions that would most likely appeal to farmers would be those that will simultaneously improve soil fertility and suppress the development of Striga

    Farmers’ perceptions and attitudes towards introduced soil-fertility enhancing technologies in western Africa

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    Soil fertility enhancing technologies (SFETs) have been promoted in the West African Semi-Arid Tropics (WASAT) for many years with limited success. Using a qualitative approach of focus group discussions, long, openended interviews and observations from field visits, this paper explores with farmers their beliefs and rationales behind the adoption or non-adoption of SFETs. Farmers are knowledgeable about, and practise SFETs of rock phosphate application, crop residue and farm yard manure, chemical fertilizer and crop rotation to combat soil fertility decline. Their attitudes to and rationales behind adoption decisions are influenced by the availability and use policies of land and labour resources, food security concerns, perceived profitability, contribution to sustainability and access to information. Some of the factors are beyond farmers’ control and require a broad and integrated effort from research, extension and government to promote the use of the SFETs in the region

    Volatile compounds of maari, a fermented product from baobab (Adansonia digitata L.) seeds

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    The volatile compounds associated with baobab seeds fermentation for Maari production were extracted and analysed by Likens-Nickerson simultaneous steam distillation-extraction method and gas chromatography-mass spectrometry (GC-MS), respectively. Furthermore, the titratable acidity, tannin content and proximate composition were evaluated. A total of 96 compounds were identified with esters, acids, alcohols and ketones being quantitatively the major groups. Fermentation led to an increase in the concentration of total volatile compounds from 121.6 in unfermented cooked seeds to 809.1 mg kg-1 in the fermented product. Drying resulted in a significant loss of up to 80.7% of the total volatiles.Key words: Volatile compounds, maari, baobab, fermentation

    Impact of Germplasm Research Spillovers: The Case of Sorghum Variety S 35 in Cameroon and Chad

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    An important objective of international agricultural research inst i tut ions is to determine the extent to which research under taken in one location may impact on other regions of interest. Thi s is because research activities are most often planned to target mandate crops and agroecological areas found in many parts of the world. ICRI S A T has, as a pol icy, disributed a wide range of parental materials to breeding programs in the NARS and private seed industries throughout the semi-arid tropics. This has cont r ibuted to faster and cost-effective development of useful final products by the receiving parties. Thi s study evaluates the impacts and research spillover effects of adopt ion of sorghum variety S 35, a pure line developed f rom the ICRI S A T breeding program in India. It was later advanced in Niger ia and promoted and released in Cameroon in 1986 and Chad in 1989. Today, S 35 occupies about 33% of the total rainfed sorghum area in Cameroon and 2 7 % in Chad. Compared to farmers' best t radi t ional varieties across all study sites in Cameroon and Chad, S 35 yields 2 7 % more output (grain) and reduces uni t product ion cost by 20%.These farm-level impacts are larger in Chad where yield gain is 5 1 % higher and cost reduct ion is 3 3% higher. Th e net present value of benefits f rom S 35 research spillover in the Af r ican region was estimated to be US15millioninChadandUS 15 mi l l ion in Chad and US 4.6 mi l l ion in Cameroon, representing internal rates of return of 9 5% in Chad and 7 5% in Cameroon. These impacts were evaluated f rom the perspective of nat ional research systems. A conscious decision, therefore, was made to include only those costs associated wi t h nat ional research and extension inst i tut ions. Al l other S 35-related research and development expenditures incur red in India and Niger ia were treated as 'sunk costs', that is, costs which woul d have occur red anyway wi thout spillover. Ha d each count ry had to develop S 35 and associated management practices on its own, the t ime lag between research and release of the technology woul d have been longer and consequently impacts, if any, woul d have been smaller. For greater effectiveness in sorghum technology development and transfer in the region, future research and pol icy actions should take greater advantage of research spillovers through more col laborat ion, communicat ion, and networking between nat ional , regional , and internat ional research inst i tut ions
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