Acidification of a kaolinitic Alfisol under cropping and nitrogen fertilization in West Africa /

This study was conducted near Ibadan, Nigeria to determine the extent of soil acidification due to N fertilization and leaching of Ca, Mg and K from the surface layers of an Oxic Paleustalf (Egbeda series). The N sources included two inorganic N fertilizers, urea (UA) and ammonium sulfate (AS), and...

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Bibliographic Details

Main Author:	Niino, Yuji, 1959-
Format:	Thesis Book
Language:	English
Published:	[Place of publication not identified] : [publisher not identified] ; 2002.
Subjects:	Major soil science.
Online Access:	http://proxy.library.tamu.edu/login?url=http://proquest.umi.com/pqdweb?did=765105961&sid=1&Fmt=2&clientId=2945&RQT=309&VName=PQD