Wapa J. M

Department of Soil Science, University of Abuja

jacobwapa@yahoo.com

2 Publications

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Publications 2

Research Article Vol. 23, Issue 2

Quantitative Analysis of Humic Substances in Soils Treated with Different Organic Manures in Sudano - Sahelian Savanna, Northeast Nigeria

Wapa J. M^*, OJENIYI STEPHEN OLUSOLA, Sandabe M.K

This work was carried out to study the effect of organic manures on different fractions of soil organic matter. Field trials were carried out in 2008 and 2009 cropping seasons at the Teaching and Research Farm of the Department of Soil Science, University of Maiduguri, Maiduguri. The treatments consisted of three types of organic manures (cow dung,...

Aug, 2013 Vol. 23, Issue 2 247 views 538 downloads

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Research Article Vol. 23, Issue 2

Response of Extra - Early Maize Variety (zea Mays ) to Different Organic Manures in the Drier Sub - Region of Northern Nigeria

Wapa J. M^*, OJENIYI STEPHEN OLUSOLA, Samson Joshua Kwari

This work was carried out to study effect of different organic manures on yield of maize in the study area. Field trials were carried out in 2008 and 2009 cropping seasons at the Teaching and Research Farm of the Department of Soil Science, University of Maiduguri, Maiduguri. The treatments consisted of three organic manures (cow dung, city refuse ...

Aug, 2013 Vol. 23, Issue 2 276 views 554 downloads

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