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Shifting Frontiers of Theobroma Cacao
Cacao (Theobroma cacao L.) is a sacred tree and noble resource from South America. The Mayans and other early civilizations in Central America used cacao beans as tokens, which were subsequently transported to Europe to nurture monarchies and elites. Based on the discovery of cacao’s commercial potential and attributes, new cocoa plantations were established in other parts of the world, including Africa, Asia, and the Caribbean. Thus, cocoa has become an important cash crop in Africa, Central and South America, and Asia, where it is a major foreign exchange earner, industrial raw material, support for livelihood, and ecosystem services provision. Based on its global importance, there has b...
Agronomy in Nigeria
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Statistical Inference
Probability distributions; Inferences concerning propartions; Chi-square; Populations and samples on a continuos variables; Sampling distributions; Inferences concerning the mean or the difference between two means; Inferences concerning variances and standard deviations; Linear regression and correlation; Other measures of relationship; The statistics of measurement; Multiple regression and correlation; Analysis of variance with two or more variables of classification; Analysis of covariance; Percentiles; Transformation of scales; Non-parametric methods.
A Ricardian Analysis of the Impact of Climate Change on African Cropland
Abstract: This study examines the impact of climate change on cropland in Africa. It is based on a survey of more than 9,000 farmers in 11 countries: Burkina Faso, Cameroon, Egypt, Ethiopia, Ghana, Kenya, Niger, Senegal, South Africa, Zambia, and Zimbabwe. The study uses a Ricardian cross-sectional approach in which net revenue is regressed on climate, water flow, soil, and economic variables. The results show that net revenues fall as precipitation falls or as temperatures warm across all the surveyed farms. In addition to examining all farms together, the study examined dryland and irrigated farms separately. Dryland farms are especially climate sensitive. Irrigated farms have a positive i...
Cocoa Futures
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Innovations as Key to the Green Revolution in Africa
Africa can achieve self sufficiency in food production through adoption of innovations in the agriculture sector. Numerous soil fertility and crop production technologies have been generated through research, however, wide adoption has been low. African farmers need better technologies, more sustainable practices, and fertilizers to improve and sustain their crop productivity and to prevent further degradation of agricultural lands. The agricultural sector also needs to be supported by functional institutions and policies that will be able to respond to emerging challenges of globalization and climate change.
Rural Livelihoods and Diversity in Developing Countries
Rural families in developing countries make a living by engaging in diverse activities. These range from farming, to rural trade, to migration to distant cities and even abroad. This book explores the implications of rural livelihood diversity for key topics in development studies and for poverty reduction policies. The livelihoods approach is gaining momentum, and this is the first book to set it out in detail.
Senior Telephone Operator
The Senior Telephone Operator Passbook(R) prepares you for your test by allowing you to take practice exams in the subjects you need to study. It provides hundreds of questions and answers in the areas that will likely be covered on your upcoming exam.
Insect Thermoregulation
Physiology and body temperatures of insects.
Role of Farm-level Diversification in the Adoption of Modern Technology in Brazil
Data. Farm-level diversification and product mix. Cluster analysis. Univariate analysis. Longitudinal analysis. Conclusions and policy implications.
