Crops - Possible Improvements

Supply and demand. Increased demand with same supply, means higher prices usually. Which then increases supply. With the huge increase in food prices, what are ways supply may increase? Monsanto Seeks Big Increase in Crop Yields is one way. Better seeds that may double yields for cotton for example. Another is opening up new areas for farming. The challenge with that is infrastructure for areas outside of developed countries. Africa due to European influence is against bio seeds. A lot of research and improvement is also possible in staples, such as Yams, Bananas, etc. that are eaten in the third world. Rice, Wheat, and Corn have gone through yield improvements.