The drafting of this handbook was initiated in October 2007,
in Ghana, by Ines Beernaerts, in the framework of the FAOKNUST
project on “Evaluation of non-treatment options for
maximizing public health benefits of WHO guidelines governing
the use of wastewater in urban vegetable production in Ghana”.
The Farmer Field School (FFS) approach was introduced in
the FAO-KNUST project and materialized in this handbook to
enhance the experimental learning of the (peri-) urban farmers.