%0 Journal Article %T Effects of Green Manuring and Nitrogen Levels on the Yield and Yield Attributes of Maize (Zea mays L.) %A A. K. Ibrahim %A A. M. Hassan %A N. Voncir %A S. A. Ibrahim %J ISSN: Frequency: Journal DOI: Peer-review model: Digital Archiving: %D 2017 %R 10.9734/AJSSPN/2017/39905 %U http://www.sciencedomain.org/abstract/23632