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Nonagricultural activities which are indepen
The Emergence of Distinct Patterns of Energy
Changes in available sources of energy
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adult agricultural season animal power Appendix average body weight calorie cattle cent code number compound consumption cultivated DeBoer and Welsch dehullers Dependency ratio desk calculations incorporating draught oxen Durnin and Passmore Eastern Kiang economic energy balance energy cost energy expended Energy for subsistence energy gained energy output energy substitutes energy supply index energy value enter enter enter FAO/WHO female farmers fertiliser foodgrain fuel Gambia Gambia River Genieri village grain groundnuts hand-hoe agriculture harvest human energy resources human energy supply human labour inputs intrafamily intrahousehold kcal kcal/kg kcal/min labour force Laguna Province leisure livestock Lower River Division M. R. Haswell Maize male Mandinka millet non-farm Norgan Nutrition production protein rapid survey method rice Rural Development Rural Technology Meeting Savanna social society sorghum subsistence agriculture subsistence economies subsistence farmers Table Tanzania tasks traditional hand-hoe tropical utilisation West Africa West Africa Rural women