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 ISI Web of Science Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via ISI Web of Science (80) Citing Articles via Google Scholar Google Scholar Articles by Chenu, C. Articles by Arrouays, D. Search for Related Content PubMed Articles by Chenu, C. Articles by Arrouays, D. GeoRef GeoRef Citation Agricola Articles by Chenu, C. Articles by Arrouays, D.

Organic Matter Influence on Clay Wettability and Soil Aggregate Stability

^a Unité de Science du Sol, INRA, 78026 Versailles, France
^b Unité de Science du Sol, Service d'Etudes des Sols et de la Carte Pédologique de France, INRA, 45160 Olivet, France

View larger version (30K): [in a new window]   Fig. 1 Aggregates size distributions after the water stability tests for four of the studied soils having decreasing C contents in relation to time of cultivation: (a) L0a, forest; (b) L7a, 7 yr cropping; (c) L35a, 35 yr cropping; and (d) G100a, 100 yr cropping

View larger version (24K): [in a new window]   Fig. 2 Frequency distribution of water drop penetration time (WDPT) on individual aggregates of Lacadee soils under forest, and cultivated for 7 and 35 yr: (a) soils from Lacadee terraces and (b) soils from other terraces

View larger version (17K): [in a new window]   Fig. 3 Carbon contents of <2-µm fractions vs. the C content of soil

View larger version (20K): [in a new window]   Fig. 4 Contact angles of water on the clay fractions vs. their C content. Bars are standard deviations

View larger version (15K): [in a new window]   Fig. 5 Difference between mean weight diameter (MWD) after fast and slow wetting as affected by C content

View larger version (32K): [in a new window]   Fig. 6 Relation between the wettability of the clay fraction (expressed by the contact angle value) and the stablity and wettability of aggregates. Bars are standard deviations