00932nam a2200181   4500001000800000003000400008005001700012007000400029008000500033010001700038040001500055050001800070111014500088245011800233260013700351300003500488500022700523485554000020150414115502.0000000   a   91106022   aUOEL cDLC00aS633.5.T7bN52 aSymposium on Nitrogen Management in Farming Systems in Humid and Subhumid Tropicsd(1984 :cInternational Institute of Tropical Agriculture)10aNitrogen management in farming systems in humid and subhumid tropics /cedited by B.T. Kang and J. van der Heide.  aHaren, The Netherlands :bInstitute for Soil Fertility ;aIbadan, Nigeria :bInternational Institute of Tropical Agriculture,c1985.  a362 p. :bill., maps ;c24 cm.  a"Proceedings of Symposium on Nitrogen Management in Farming Systems in Humid and Subhumid Tropics, held at the International Institute of Tropical Agriculture (I.I.T.A.), Ibadan, Nigeria , October 23-26, 1984"--T.p. verso.