%0 Journal Article %T Effects of Cowpea Residues, Chicken Manure and Partially Acidulated Phosphate Rock on the Fertility of Two Acid Soils for Maize Production in Lusaka- Zambia %A Miriam Nyau %A Victor Shitumbanuma %J ISSN: Frequency: Journal DOI: Peer-review model: Digital Archiving: %D 2018 %R 10.9734/AJSSPN/2018/38647 %X Reviewers: %U http://www.sciencedomain.org/abstract/23820