ABSTRACT
INTRODUCTION Two thirds of the so-called Third World depends on agriculture to survive with 75% of all the farmers in these countries comprising smallscale farmers (Broerse and Bunders,1991). With some differences-as in Mexico, 25% of the population lives from agriculture and in Ghana, this sector is of about 57%—small farmers are still an important part of the world population that survives (sometimes in acute poverty conditions) on auto-consumption agriculture.
