Nitrogen Economy of Flooded Rice Soils: Proceedings of a Symposium on the Nitrogen Economy of Flooded Rice Soils, Washington DC, 1983 (Hardcover, 1986)
Nitrogen Economy of Flooded Rice Soils: Proceedings of a Symposium on the Nitrogen Economy of Flooded Rice Soils, Washington DC, 1983 (Paperback, Softcover Repri)
Plant and Soil Interfaces and Interactions: Proceedings of the International Symposium: Plant and Soil: Interfaces and Interactions. Wageningen, the N (Paperback, Softcover Repri)
