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Tillage and Simulated Rainfall Intensity Effect on Bromide Movement in an Argiudoll
Author(s) -
Bicki Thomas J.,
Guo Lei
Publication year - 1991
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/sssaj1991.03615995005500030027x
Subject(s) - tillage , loam , plough , chisel , environmental science , hydrology (agriculture) , macropore , soil science , soil water , geology , agronomy , geography , chemistry , geotechnical engineering , archaeology , biology , mesoporous material , biochemistry , catalysis
Movement of Br ‐ in a Flanagan silt loam (fine, montmorillonitic, mesic Aquic Argiudoll) managed under five different tillage systems and subjected to three simulated rainfall intensities was documented. Under low (10 mm/h) and medium (25 mm/h) simulated rainfall intensities, movement of Br ‐ in the soil profile was not significantly different between moldboard plow, chisel plow, disk plow, para‐till, and no‐till systems. When subjected to a high simulated rainfall intensity, significantly greater Br ‐ movement occurred in the soil profile managed under continuous, long‐term no‐till. Greater movement of Br ‐ in the no‐till soil was attributed to preferential flow.