Humic substances in soil and crop sciences : selected readings : proceedings of a symposium cosponsored by the International Humic Substances Society; Divisions S-3, S-2, S-4, S-5, and S-7 of the Soil Science Society of America; Divisions A-I and A-5 ofthe American Society of Agronomy; and Divisions C-2 and C-3 of the Crop Science Society of America, Chicago, Illinois, 2 December 1985. - Aviad, Tsila; Bloom, Paul R.; Boyd, Stephen A.; Chen, Yona; Chiou, Cary T.; Clapp, C. Edward; Haumaier, Ludwig; He, Xin-Tao; Hempfling, Reinhold; MacCarthy, Patrick; Malcolm, Ronald L.; Martin, James P.; et al. (Madison, Wisconsin, USA : American Society of Agronomy, Inc., 1990)
Autores tomados de preliminares
Keywords: HUMUS -- CONGRESOS; SUELOS -- CONTENIDO DE ACIDO HUMICO -- CONGRESOS; CULTIVOS Y SUELOS -- CONGRESOS; SUELOS -- CONTENIDO DE ACIDO HUMICO