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| The overall goal of my research is to apply ecological knowledge to enhance human well-being. For this reason, I am particularly interested in working with agricultural systems in developing countries. |
The top three links to the left describe my general research interests, and the bottom two links describe the details of my dissertation work. The "Qualifying Exam" web page is now complete; I passed my exam in November 2007. The "Dissertation" web page will be continually updated over the next several years.
My dissertation research focuses on "fertilizer trees" in southern Africa: nitrogen-fixing trees that are grown with the staple crop, maize, to enhance soil nutrients and soil structure. Southern Africa is predicted to be hit hard by climate change (higher temperatures, lower precipitation), and I wish to investigate whether "fertilizer trees" will help or hinder farmers under future climate. Will the trees transpire much-needed water before the maize can access it? Or will they help maintain productivity through their effects on soil fertility and resource use efficiency?
If you have any questions, or would like more information about any of the topics here, please don't hesitate to contact me. Thanks for your interest!
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Last updated August 28, 2008