1. EFFECT OF AMENDED SOIL USING DIFFERENT FERTILIZER APPLICATIONS ON PHENOLOGY OF CASSAVA IN EDO STATE SOUTH-SOUTH NIGERIA. Authors: CLETUS JUDE ODIGHI, YAHAYA OLOTU, EDEKI AHMANSI, BADA OLATUBOSUN.2. RE-CALIBRATION OF AN AUTOMATIC EVAPORIMETER. Authors: YAHAYA OLOTU, LIVINUS APEBUAMHE IZAH, MOSES ERMOSELE ESEIGBE, REUBEN ISHIEKWENE, JOHN FRIDAY OGBODO.3. EVALUATION OF THE EFFECTS OF NON-REVENUE WATER ON WATER SECURITY IN ONDO STATE, NIGERIA. Authors: YAHAYA OLOTU, EDWIN OMOZUAPO OYATHELEMI, SHAKA MOMOH, OLUGBEMIGA STEPHEN IFABIYI.4. DEVELOPMENT AND EVALUATION OF A DIGITAL MPF5-MOISTURE METER. Authors: YAHAYA OLOTU, REUBEN ISHIEKWENE, MARIAM ABDUL-WAJID OBOMEGHIE, STEPHEN KOREDE ABOLAJI, FERDINAND ALEONOKHU AIGBODOH.