The use and fate of pesticides in vegetable-based agroecosystems in Ghana : dissertation submitted in fulfilment of the requirements of the Academic Board of Wageningen University and the Academic Board of the UNESCO-IHE Institute for Water Education for the Degree of Doctor to be defended in public on Thursday, 17 January 2008 at 15:30 hours in Delft, The Netherlands / by William Joseph Ntow, born in Kumasi, Ghana.

Dissertation submitted in fulfilment of the requirements of the Academic Board of Wageningen University and the Academic Board of the UNESCO-IHE Institute for Water Education for the Degree of Doctor to be defended in public on Thursday, 17 January 2008 at 15:30 hours in Delft, The Netherlands.

Includes bibliographical references.

ch. 1. Introduction -- ch. 2. Farmer perceptions and pesticide use practices in vegetable production in Ghana -- ch. 3. Dissipation of endosulfan in field-grown tomato (Lycopersicon esculentum) and cropped soil at Akumadan -- ch. 4. The impact of agricultural runoff on the quality of two streams at Akumadan and Tono -- ch. 5. Occupational exposure to pesticides : blood cholinesterase activity in farmers at Akumadan -- ch. 6. Accumulation of persistent organochlorine contaminants in milk and blood serum of vegetable farmers -- ch. 7. Dietary exposure to pesticides from vegetables among adult farmers at Akumadan -- ch. 8. Conclusions and recommendations.

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