The Zambia Agriculture Research Institute (ZARI) is the largest Agricultural research entity in the country. It has 10 research stations with Mt. Makulu Central Research Station Being the institutes Headquarters. The Institutes overal objectives is to develop and adapt crop, soil and plant protection technologies and to provide a high quality, appropriate and cost effective service to farmers. The activities are carried out in all the three agro-ecological regions which are Region I which receive up to 800mm of rainfall; Region II receives between 800-1000mm of rainfall and Region III receives more than 1000 mm of rainfall.