ABSTRACT
Kenya’s food security depends on the ability to increase agricultural productivity (Yudelman, 1987) without degrading further-but rather facilitating the regeneration of-the resources on which agriculture depends. How can increases in productivity be achieved and sustained? Many technologies have been demonstrated to increase agricultural productivity. What is becoming increasingly clear is that many of these may not be sustainable, mostly because they engender degradation of the resources on which agriculture and human well-being depend. The question is therefore not so much how to increase agricultural productivity but how optimal productivity can be achieved and sustained.
