Richard Gibson; Natural Resources Institute, University of Greenwich, Central Avenue, Chatham Maritime, Kent, ME4 4TB, UK; r.w.gibson@gre.ac.uk; nosbigrw@yahoo.com

At the start of the rainy season, there is often a lack of adequate planting material. Vine multipliers grow crops in wetlands during the dry season and then sell the vines as planting material at the start of the rainy season.

To demonstrate that the existing sweetpotato vine multipliers can commercially and sustainably deliver vines of both existing and new varieties to farmers.

In Gulu Uganda, a diversity of marketing strategies has been identified together with the different prices associated with the different stages – promoting the use of mobile phones seems especially valuable. In Tanzania, simple direct multiplier – farmer chains have mostly been identified and new ways of marketing vines, similar …

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We will enable at least 15 million households (HH) to improve the quality of their diets and raise their crop incomes over the next 10 years in countries with micronutrient deficiencies in Africa and Asia as well as in Haiti.