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Influence of Soil Structure on Water Relations in Low Humic Latosols: I. Water Retention
Author(s) -
Sharma M. L.,
Uehara G.
Publication year - 1968
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1968.03615995003200060021x
Subject(s) - soil water , water retention , water content , soil science , water retention curve , soil structure , moisture , environmental science , geology , chemistry , geotechnical engineering , organic chemistry
Experiments were carried out to study the effect of two aspects of soil structure, macrofabric and microfabric, on the water retention characteristics of two latosolic soils. The soils were selected because of similarity in composition but differences in structure. Moisture retention curves of the soils and also of their water stable aggregates were obtained. On the basis of results it was concluded that for strongly structured soils, water retention was greatly influenced by macrofabric in the tension range between 0 to 0.3 bar, while the effect of microfabric was more prominent beyond this range. The influence of microfabric was also demonstrated by applying the surface tension, radius of curvature, pressure relationship on selected aggregate fractions.