The Experts below are selected from a list of 189 Experts worldwide ranked by ideXlab platform
Joanna Casey - One of the best experts on this subject based on the ideXlab platform.
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Pearl Millet and Kintampo Subsistence
African Archaeological Review, 2002Co-Authors: A. C. D'andrea, Joanna CaseyAbstract:Subsistence practices of the Kintampo cultural complex of sub-Saharan West Africa are now known to have included pearl millet cultivation, in addition to the utilization of tropical forest margin species such as oil palm. Charred plant remains recovered from the Birimi site, northern Ghana, suggest that the growing of pearl millet, possibly in uniform stands, was occurring amongst northerly Kintampo groups during the fourth millennium bp. The cultivation of this Drought-Tolerant Crop facilitated the establishment of sedentary villages by providing a storable food resource enabling Kintampo people to survive the protracted dry season of the West African savanna.
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Pearl Millet and Kintampo Subsistence
African Archaeological Review, 2002Co-Authors: A. C. D'andrea, Joanna CaseyAbstract:Subsistence practices of the Kintampo cultural complex of sub-Saharan West Africa are now known to have included pearl millet cultivation, in addition to the utilization of tropical forest margin species such as oil palm. Charred plant remains recovered from the Birimi site, northern Ghana, suggest that the growing of pearl millet, possibly in uniform stands, was occurring amongst northerly Kintampo groups during the fourth millennium bp. The cultivation of this Drought-Tolerant Crop facilitated the establishment of sedentary villages by providing a storable food resource enabling Kintampo people to survive the protracted dry season of the West African savanna. Nous savons maintenant que les pratiques de subsistance du complexe culturel Kintampo de l'Afrique de l'Ouest sub-saharien comprenaient la culture du mil à chandelle ainsi que l'utilisation d'espèces végétales qui poussaient en bordure de la forêt tropicale, comme le palmier à huile. Des restes de plantes carbonisé ont été récupérées du site du Birimi dans le Nord du Ghana; elles suggèrent que la pratique de la culture du mil à chandelle dont les plantations étaient peut-être déjà uniformes, se soit produite parmi les groupes Kintampo du Nord pendant le quatrième millénaire bp. La culture du mil à chandelle tolérait la sécheresse et avait ainsi facilité l'établissement de villages sédentaires car elle fournissait des ressources alimentaires entreposables. Cela permettait aux groupes Kintampo de survivre pendant la longue saison sèche de la savane de l'Afrique de l'Ouest.
A. C. D'andrea - One of the best experts on this subject based on the ideXlab platform.
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Pearl Millet and Kintampo Subsistence
African Archaeological Review, 2002Co-Authors: A. C. D'andrea, Joanna CaseyAbstract:Subsistence practices of the Kintampo cultural complex of sub-Saharan West Africa are now known to have included pearl millet cultivation, in addition to the utilization of tropical forest margin species such as oil palm. Charred plant remains recovered from the Birimi site, northern Ghana, suggest that the growing of pearl millet, possibly in uniform stands, was occurring amongst northerly Kintampo groups during the fourth millennium bp. The cultivation of this Drought-Tolerant Crop facilitated the establishment of sedentary villages by providing a storable food resource enabling Kintampo people to survive the protracted dry season of the West African savanna.
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Pearl Millet and Kintampo Subsistence
African Archaeological Review, 2002Co-Authors: A. C. D'andrea, Joanna CaseyAbstract:Subsistence practices of the Kintampo cultural complex of sub-Saharan West Africa are now known to have included pearl millet cultivation, in addition to the utilization of tropical forest margin species such as oil palm. Charred plant remains recovered from the Birimi site, northern Ghana, suggest that the growing of pearl millet, possibly in uniform stands, was occurring amongst northerly Kintampo groups during the fourth millennium bp. The cultivation of this Drought-Tolerant Crop facilitated the establishment of sedentary villages by providing a storable food resource enabling Kintampo people to survive the protracted dry season of the West African savanna. Nous savons maintenant que les pratiques de subsistance du complexe culturel Kintampo de l'Afrique de l'Ouest sub-saharien comprenaient la culture du mil à chandelle ainsi que l'utilisation d'espèces végétales qui poussaient en bordure de la forêt tropicale, comme le palmier à huile. Des restes de plantes carbonisé ont été récupérées du site du Birimi dans le Nord du Ghana; elles suggèrent que la pratique de la culture du mil à chandelle dont les plantations étaient peut-être déjà uniformes, se soit produite parmi les groupes Kintampo du Nord pendant le quatrième millénaire bp. La culture du mil à chandelle tolérait la sécheresse et avait ainsi facilité l'établissement de villages sédentaires car elle fournissait des ressources alimentaires entreposables. Cela permettait aux groupes Kintampo de survivre pendant la longue saison sèche de la savane de l'Afrique de l'Ouest.
Michael R. Carter - One of the best experts on this subject based on the ideXlab platform.
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Bundling Drought Tolerance and Index Insurance to Reduce Rural Household Vulnerability to Drought
Sustainable Economic Development, 2020Co-Authors: Travis J. Lybbert, Michael R. CarterAbstract:With projections of more severe and more frequent extreme weather, farmers’ vulnerability to weather shocks such as drought will remain central to global poverty concerns and policy debates for decades. Drought-Tolerant Crop varieties have attracted widespread attention. Index insurance has garnered similar enthusiasm. In many settings, neither drought tolerance nor index insurance in isolation will be sufficient; the full potential of either might be tapped only when bundled with the other. Drought-Tolerant Crops may protect against moderate drought only, leaving farmers exposed to extreme drought. Drought index insurance can provide a more complete protection, but farmers may be unwilling to pay its premium. Proper bundling of the two innovations may help resolve this conundrum by leveraging complementarities between them. This chapter calibrates such a bundled drought tolerance–drought index insurance package in the context of Ecuador to illustrate the possibility.
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Sustainable Economic Development
Sustainable Economic Development, 2015Co-Authors: Travis J. Lybbert, Michael R. CarterAbstract:With projections of more severe and more frequent extreme weather, farmers’ vulnerability to weather shocks such as drought will remain central to global poverty concerns and policy debates for decades. Drought-Tolerant Crop varieties have attracted widespread attention. Index insurance has garnered similar enthusiasm. In many settings, neither drought tolerance nor index insurance in isolation will be sufficient; the full potential of either might be tapped only when bundled with the other. Drought-Tolerant Crops may protect against moderate drought only, leaving farmers exposed to extreme drought. Drought index insurance can provide a more complete protection, but farmers may be unwilling to pay its premium. Proper bundling of the two innovations may help resolve this conundrum by leveraging complementarities between them. This chapter calibrates such a bundled drought tolerance–drought index insurance package in the context of Ecuador to illustrate the possibility.
Suriyan Cha-um - One of the best experts on this subject based on the ideXlab platform.
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Foliar application of glycinebetaine regulates soluble sugars and modulates physiological adaptations in sweet potato (Ipomoea batatas) under water deficit
Protoplasma, 2019Co-Authors: Rujira Tisarum, Cattarin Theerawitaya, Thapanee Samphumphuang, Harminder Pal Singh, Suriyan Cha-umAbstract:Drought tolerance in higher plants can result in enhanced productivity, especially in case of carbohydrate storage root Crop. Sweet potato has been reported as a Drought-Tolerant Crop, while it is very sensitive to water shortage in the root initiation of cutting propagation and tuber initiation stages. In the present study, we aimed to alleviate the Drought-Tolerant abilities in sweet potato cv. Tainung 57 (drought-sensitive cultivar) using foliar glycine betaine (GlyBet) application as compared with Drought-Tolerant cultivar (cv. Japanese Yellow). Leaf osmotic potential in GlyBet applied plants under mild- (25.5% soil water content; SWC) and severe-water deficit (15.5% SWC) stresses was maintained through the accumulation of total soluble sugars as a major osmotic adjustment, thus stabilizing the photosynthetic pigments, chlorophyll fluorescence, net photosynthetic rate, and retaining the overall growth performances, i.e., shoot height, number, and length of leaves. In the harvesting process, storage root weight in water deficit stressed sweet potato cv. Tainung 57 (11.75 g plant^−1) with 50 mM GlyBet application was retained in a similar pattern to cv. Japanese Yellow (12.25 g plant^−1). In the present investigation, exogenous foliar GlyBet application strongly alleviated water deficit stress via sugar enrichment to control cellular osmotic potential, retain high photosynthetic abilities and maintain the yield of storage root yield. In summary, the regulation on total soluble sugar enrichment in water deficit–stressed sweet potato using GlyBet foliar application may play an important role in maintaining the controlled osmotic potential of leaves, thereby retaining the photosynthetic abilities, overall growth characters and increasing the yield of storage roots.
Travis J. Lybbert - One of the best experts on this subject based on the ideXlab platform.
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Bundling Drought Tolerance and Index Insurance to Reduce Rural Household Vulnerability to Drought
Sustainable Economic Development, 2020Co-Authors: Travis J. Lybbert, Michael R. CarterAbstract:With projections of more severe and more frequent extreme weather, farmers’ vulnerability to weather shocks such as drought will remain central to global poverty concerns and policy debates for decades. Drought-Tolerant Crop varieties have attracted widespread attention. Index insurance has garnered similar enthusiasm. In many settings, neither drought tolerance nor index insurance in isolation will be sufficient; the full potential of either might be tapped only when bundled with the other. Drought-Tolerant Crops may protect against moderate drought only, leaving farmers exposed to extreme drought. Drought index insurance can provide a more complete protection, but farmers may be unwilling to pay its premium. Proper bundling of the two innovations may help resolve this conundrum by leveraging complementarities between them. This chapter calibrates such a bundled drought tolerance–drought index insurance package in the context of Ecuador to illustrate the possibility.
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Sustainable Economic Development
Sustainable Economic Development, 2015Co-Authors: Travis J. Lybbert, Michael R. CarterAbstract:With projections of more severe and more frequent extreme weather, farmers’ vulnerability to weather shocks such as drought will remain central to global poverty concerns and policy debates for decades. Drought-Tolerant Crop varieties have attracted widespread attention. Index insurance has garnered similar enthusiasm. In many settings, neither drought tolerance nor index insurance in isolation will be sufficient; the full potential of either might be tapped only when bundled with the other. Drought-Tolerant Crops may protect against moderate drought only, leaving farmers exposed to extreme drought. Drought index insurance can provide a more complete protection, but farmers may be unwilling to pay its premium. Proper bundling of the two innovations may help resolve this conundrum by leveraging complementarities between them. This chapter calibrates such a bundled drought tolerance–drought index insurance package in the context of Ecuador to illustrate the possibility.
