@INPROCEEDINGS {KANG:1979b,
title = {Effects of liming and nitrogen application on cowpea (Vigna unguiculata (L.) Walp grown on an ultisol},
author = {Kang, B. T. },
booktitle = {Plant Nutrition; Proceedings of Eighth International Colloquium on Plant Analysis and Fertilizer Problems, edited by Ferguson A.R.; Bieleski and Ferguson,I.B.},
series = {DSIR Wellington Information series},
year = {1979},
volume = {134},
pages = {231--237},
}