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University of Guelph Contributors
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Soil Fertility Handbook Publication 611
978-1-4249-2335-9
(1-4249-2335-2)
2006
OMAFRA
G. C.
·
**O.C.**
·
O. G.
·
U. G.
·
U of C
UNIVERSITY OF HAMBURG, GERMANY