Farmers and Markets

Gregg Zachary writing about African agriculture states that (PDF):

Rather than a big bang, advances are occurring on the margins...the key breakthrough in African agriculture is not a new seed or a vast increase in the use of fertilizers or new machines. Indeed, fertilizer use remains shockingly low in Africa, and in many countries, tractors are as rare as rhinos. What has generated fresh optimism is the aforementioned elimination of state marketing monopolies and a new emphasis on efficiently linking farmers to markets