CONTENTS
Determination of Economic Optimum Replacement Age of Oil Palm in Kogi State, Nigeria. 57
Ukwuteno, S.O., E.C. Okorji and H. I. Opaluwa.
An empirical approach to estimate soil erosion and its correlation with landslide events (a case study from Vazroud watershed, N Iran) 62
Jalal Zandi, Karim Solaimani and Mahmood Habib Nezhad
Study aggregates stability and some physical and chemical properties of soil in Avard Watershed 71
Jafari, H. Niknahad Gharmakher, M. Ghasemi, E. Jafari
Comparison of WEPP, ANSWERS and MPSIAC models for evaluating the runoff, soil erosion and sediments at Khosroshirin region, Fars province, Iran 76
Sayed Fakhreddin Afzali , Ensiyeh Baqeri, Seifollah Amin, Elnaz Namdari Ghareghani, Elinaz soltani
