Nitrogen economy in tropical soils : proceedings of the international symposium on nitrogen economy in tropical soils, eld in trinidad, W.I., January 9-14, 1994 / Edited by N. Ahmad. - Dordrecht : Kluwer Academic, 1996
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0-7923-4094-9
Nitrogénio / Fertilização / Nitratos / Solos Tropicais /
F04-40

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