Weed seed in dairy manure depends on collection site
AuthorsDavid W. Cudney
Steven D. Wright
Thomas A. Shultz
John S. Reints
Authors AffiliationsD. W. Cudney is Extension Weed Scientist, UC Riverside; S. D. Wright is Cooperative Extension Farm Advisors, Tulare County; T. A. Shultz is Cooperative Extension Farm Advisors, Tulare County; J. S. Reints is Staff Research Associate, UC Riverside.
Hilgardia 46(3):31-32. DOI:10.3733/ca.v046n03p31. May 1992.
Dairy manure collected for 2 years from various sites in seven Central California dairies was found to contain viable weed seed. Weed seed Contamination Was most Severe when manure was taken from dry COW pens and liquid manure sedimentation handling facilities. Composting did not eliminate all viable weed seed.
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