Click to increase image sizeClick to decrease image size Notes All from the Economics Unit, CIAT/Mision Britanica, Santa Cruz, Bolivia. The project was supervised by Maxwell and initiated with Pozo in 1979. Work was continued in I98O by Allen and Caballero. The authors gratefully acknowledge the advice and practical help of several colleagues, but especially John Tollervey, Francisco Paz, Don Foster, David Tinker (NIAE), the CIAT extension service, the farmers of the Santa Cruz colonisation areas and the Tropical Products Institute.
