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SOIL WATER CHARACTERISTICS OF TWO SOIL CATENAS IN ILLINOIS: IMPLICATIONS FOR IRRIGATION 1
Author(s) -
Schaetzl Randall J.,
Hendrie L. Keith,
Kirsch Scott W.
Publication year - 1989
Publication title -
jawra journal of the american water resources association
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.957
H-Index - 105
eISSN - 1752-1688
pISSN - 1093-474X
DOI - 10.1111/j.1752-1688.1989.tb05416.x
Subject(s) - soil water , loam , aeolian processes , hydrology (agriculture) , irrigation , silt , environmental science , surface runoff , geology , soil science , agronomy , geotechnical engineering , geomorphology , ecology , biology
Soil water was monitored by neutron scattering in six soils, three each within two drainage catenas in east‐central Illinois, over a 15‐month time span. The prairie soils have formed in: (1) 76–152 cm of silt loam, eolian sediments (bess) over glacial till (Catlin‐Flanagan‐Drummer catena), and (2) bess greater than 152 cm in thickness (Tama‐Ipava‐Sable catena). We characterized the water content of these soils over the total time span and for wet and dry climatic subsets, as an aid to potential irrigation decisions. Soils of the thin bess, C‐F‐D catena dried out to lower water contents and had greater soil water variability than did the thick bess soils. Under wet conditions, soil water contents in the two catenas were quite similar. Alleviation of surface and subsurface drying via irrigation would thus be more advantageous to yields on the C‐F‐D soils than on the T‐I‐S soils.