Abstract
Not available.
References
ALBAREDA HERRERA, J. M.y HOYOS DE CASTRO, A. Edafología, Saeta, Madrid, 1955.
AUBERT, G. La Classification des Sols, La Classification Pédologique F'raneaise. (Cahiers O.R.S.T.O.M.) Bondy, France.
DUCHAUFOUR, Ph. Pédologie. Applications F'orestiéres et Agricoles (Écoles Nationales des Eaux et Foréts). First Edition. Nancy, France. 1956.
GRAHAM BRADE-BIRKS, S. Good Soil. (The English Universities Press). London. 1959.
HILGARD, E. W. Soils. The Mac Millan Co., New York, 1930.
JENNY, H. Factors of Soil formation. A System of Quan titative Pedology. Mac Graw Hill Book Co. New York. London. 1941.
JOFFE, J. S. Pedology. Rutgers úniv. Press. New Bruns wick, 1936.
KUBIENA, W. L. Claves Sistemáticas de Suelos. (Consejo Superior de Investigaciones Científicas). Madrid, España, 1952.
LOBECK, A. K. Geomorphology. McGraw - Hill Book Co. New York. London, 1939.
LLANO, Manuel del. Congreso Internacional de la Ciencia del Suelo. París, 1956.
MUCKENHAUSEN, E. Le Pseudogl,ey. Science du Sol. (Edité par l'Association Franeaiee pour l'Étude du Sol). Ver• sailles, France, 1963.
PALLMANN, H. Der Boden, Schweizer Bauer. 1932. RAMMANN, E. Bodenkunde. J. Springer. Berlín. 1920. R0BINS0N, G. W. Soils, their origin, constitution and claseifications, Murby. Londres. 1951.
RAMMANN, E. Bodenkunde. J. Springer. Berlín. 1920. R0BINS0N, G. W. Soils, their origin, constitution and clasifications, Murby. ondres. 1951.
RUSSELL, E. J. Soils conditions and Plant Grouith; 71/- ed. Longmans, Green and Co. Londres, Nueva York, Toronto. 1937. Reimpresa en 1942.
STEPHENS, C. G. A Manual of Australian Soils. (Commonwealth Scientific and Industrial Research Organization). Melbourne, Australia. 1953. Soil Science Society of America. "Soils: Their Genesis and Classification", Washington. 1961.
Soil Survey Siaf], "Soil Survey Manual". United States Department of Agriculture. 1951.
Soil Survey Staff. 7th. Approximation. U. S. D. A. 1962. United States Department of Agriculture. "Soils and Men". Yearbook of Agriculture. Washington, D. C. 1938.
United Sietes Department of Agriculture. "Soil". The United States Government Printing Office. Washing• ton, D. C. 1967.
YUTAKA KAMOSHITA. Soils in Japan. National Institute of Agricultura! Sciences, Tokyo. 1968.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright (c) 2025 Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
