Africa is the only major region of the world where per-capita food production has declined in the past three decades. What are the reasons for this situation, and what major steps might be taken to...

Africa is the only major region of the world where per-capita food production has declined in the past three decades. What are the reasons for this situation, and what major steps might be taken to change it?

How can the proper integration of livestock with crop farming enhance soil quality in (a) developed-country intensive agriculture and (b) developing-country low-input agriculture?