HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Web of Science (11) Citing Articles via Google Scholar Google Scholar Articles by Salas, A. M. Articles by Six, J. Search for Related Content PubMed Articles by Salas, A. M. Articles by Six, J. Agricola Articles by Salas, A. M. Articles by Six, J. Related Collections Tropical Soils Soil Organic Matter Nutrient Cycling

The Role of Particulate Organic Matter in Phosphorus Cycling

^a Instituto de Edafología, Facultad de Agronomía. Universidad Central de Venezuela. Maracay, Apdo. Postal 4579. Venezuela
^b School of Natural Resources, University of Nebraska, Lincoln, NE 68583
^c Soil and Crop Dep., Colorado State University, Fort Collins, CO 80523
^d Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523
^e Dep. of Agronomy and Range Science, University of California, Davis, CA 95616 and Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO 80523

View larger version (17K): [in a new window]   Fig. 1. Changes in P associated with the particulate organic matter (POM-P) after the incorporation of plant residues in the Ultisol and Alfisol. (Bars represent Tukey's HSD (P 0.05) for mean comparisons between plant residue treatments within sampling time. Data points are means of three replicates with bars representing their standard errors.)

View larger version (109K): [in a new window]   Fig. 2. Fungal colonization of the particulate organic matter (POM) observed under the microscope after (a) 15 and (b) 30 d of decomposition of sorghum residue in the Alfisol.