University of FloridaGainesville, FL

University of FloridaGainesville, FL

Soil and Water Science Department2169 McCarty Hall, P.O. Box 110290,Gainesville, FL 32611-200290

Soil and Water Science Department2169 McCarty Hall, P.O. Box 110290,Gainesville, FL 32611-200290

University of FloridaGainesville, FL

Orlando Florida

Faculty of EducationKafr El. SheikhEgypt

Faculty of EducationKafr El. SheikhEgypt

Instituto de Ecologia y Sistematica CITMA Carr. de Varona km 3.5, Capdevila, Boyeros, A.P. 8029, C. de La Habana, 10800, Cuba

Instituto de Ecologia y Sistematica, CITMA, Carr. de Varona km 3.5, Capdevila, Boyeros, A.P. 8029, C. de La Habana, 10800, Cuba