Keith is a Principal Scientist at the World Agroforestry Centre in Nairobi where he leads the Science Domain on Land Health Decisions. He is a founder of the Africa Soil Information Service and has pioneered a Soil-Plant Spectral Diagnostics Laboratory that uses only light to analyze soils. Keith’s research on decision analytics focuses on the use of Bayesian approaches and value-of-information analysis to improve development decision-making in data-limited environments. He contributes this work to the UN Sustainable Development Solutions Network and leads Information Systems Strategic Research in the CGIAR Program on Water, Land and Ecosystems.

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Agriculture serves a wide range of purposes, and new requirements and objectives continue to be added. Besides food and fiber production, we expect modern agricultural systems to conserve soils and biodiversity, regulate water and carbon cycles, provide fuel, generate employment, and offer many other ecosystem services.1 Whether agriculture …

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