DAFTAR PUSTAKA
Auxtero, E., Madeira, M., and Parker, D. 2012. Extractable Al and Soil Solution Ionic Concentrations in Strongly Leached Soils from Northwest Iberia: Effects of Liming. International Scholarly Research Network Soil Science Volume 2012.
Barchia, M. F. 2009. Agroekosistem Tanah Mineral Masam.Gadjah Mada University Press. Yogyakarta.
Brady, N. C. and R. R. Weil. 2008. The Nature and Properties of Soils. Pearson Prentice Hall.Ohio.
Garcia-Rodeja, E., J. C. Novoa., X. Pontevedra., A. Martinez-Cortizas, and P. Buurman. 2004. Alumunium Fractionation of European Volcanic Soils by Selective Dissolution Techniques. Catena 56 (2004): 155-183.
Harter, R. D. Acid Soils of Tropic. Echo Technical Note. Diakses dari http://www.echonet.org/
Havlin, J. L., J. D. Beaton, S. L. Tisdale, and W. L. Nelson. 1999. Soil Fertility and Fertilizers: An Introduction to Nutrient Management Sixth Edition. Prentice Hall, Inc. New Jersey.
Kamprath, E. J. 1967. Soil Acidity and Response to Liming. International Soil Testing Series. Tech. Bull. 4. North Carolina State. Univ. Agric. Exp. Stn. Munir, M. 1996. Tanah-Tanah Utama Indonesia: Karakteristik, Klasifikasi, dan
Pemanfaatannya. Dunia Pustaka Jaya. Jakarta.
Nyakpa, M. Y., A. M. Lubis, M. A. Pulung, A. G. Amrah, A. Munawar, G. B. Hong, dan N. Hakim. 1988. Kesuburan Tanah. Universitas Lampung. Lampung.
Prasetyo, B. H. dan D. A. Suriadikarta. 2006. Karakteristik, Potensi dan Teknologi Pengelolaan Tanah Ultisol untuk Pengembangan Pertanian Lahan Kering di Indonesia. J. Litbang Pertanian, 25 (2), 2006.
Sarief, E. S. 1985. Ilmu Tanah Pertanian. Pustaka Buana. Bandung.
Soil Survey Staff. 2014. Keys to Soil TaxonomyTwelfth Edition. United States Department of Agriculture. United States.
Sposito, G. 1989. The Chemistry of Soils. Oxford University Press. New York.
Subagyo, H., N. Suharta, dan A. B. Siswanto. 2000. Tanah-Tanah Pertanian di Indonesia. Pusat Penelitian dan Pengembangan Tanah dan Agroklimat. Bogor.
Tan, K. H. 2008. Soils in The Tropics and Monsoon Region of Indonesia. CRC Press. United States of America.
Uchida, R. and N. V. Hue. 2000. Plant Nutrient Management in Hawaii’s Soils, Approaches for Tropical and Subtropical Agriculture. J. A. Silva and R. Uchida, eds. College of Tropical Agriculture and Human Resources, University of Hawaii. Manoa.
