Improve agroecosystem performance through rectification of soil nitrogen, soil phosphorus, soil acidity, soil water and soil degradation constraints using an integrated nutrient management approach. This USAID project began in 1997.
Approaches for Tropical and Subtropical Agriculture (downloadable order form in pdf)
A distillation of decades of CTAHR research on soils, fertilizers, and crop nutrient needs, this book is written for the lay reader and intended to provide a solid base of knowledge for the serious agriculturist. While the text makes reference to Hawaii's crops and soil conditions, its basic information is transferable to similar tropical and subtropical locations throughout the world.