Knowledge can be classified into (i) explicit, which can be easily recorded (e.g., books) and (ii) tacit, which cannot be always articulated. However, much of this tacit knowledge can be shared. The conversion of tacit knowledge into explicit knowledge is called externalization. Farmers possess...

Most recent African indigenous knowledge (IK) literature, especially in agriculture, emphasizes that Africans are informed innovators. This literature is filled with success stories; excellent examples of local innovations and discoveries include crop breeding, grafting against pests, water...

More than 90 percent of the population in the Sahel lives on agriculture. The fact that crop production has not kept up with population growth during the last two decades is attributed to land degradation and productivity decline resulting in increased levels of rural poverty, food shortages and...