Application of water stocking soil conditioners, keeping the soil moistened with a minimum of irrigation water, and seeding or planting more drought tolerant species and varieties will definitely contribute to solve the food crisis.

This is exciting information as it implies a means to halt the desertification of sub-Sahara Africa, a path to reclaiming land lost to desertification, as well as the developing world's food crisis.  

A triple win.

She believed in nothing; only her skepticism kept her from being an atheist. -- Jean-Paul Sartre