Muoneke, C. O., MICHAEL OKPARA UNIVERSITY OF AGRICULTURE UMUDIKE, Nigeria
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Journal of Sustainable Agriculture and the Environment (JSAE) Vol 16 No 2 (2015): JOURNAL OF SUSTAINABLE AGRICULTURE AND THE ENVIRONMENT - Articles/Crop & Soil Sciences
Effects of Poultry Manure and Cropping Systems on Chemical Properties and Productivity of Ultisol in Umudike, Southeastern Nigeria
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