@ARTICLE {KANG:1982c,
title = {Soil fertility management and cropping systems for upland rice production in West Africa},
author = {Kang, B. T. and Juo, A. S. R. },
journal = {Paper presented at IRRI/IDESSA/IRAT Upland Rice Worshop, 4-8 October 1982},
year = {1982},
}