@PROCEEDINGS {UZO:1976,
title = {Response of maize to phosphate and liming in three ultisols from southern Nigeria},
author = {Uzo, F. O and Juo, A. S. R. },
booktitle = {Presented at the 68th Annual Meeting, American Society of Agronomy, Houston, Texas},
year = {1976},
month = {December},
}