Open AccessEstimating economic losses due to pasture weeds
Author(s) -
G. W. Bourdôt,
David J. Saville
Publication year - 2002
Publication title -
proceedings of the new zealand weed and pest control conference/new zealand plant protection/proceedings of the ... national weeds conference/proceedings of the new zealand weed control conference/proceedings of the new zealand plant protection conference
Language(s) - English
Resource type - Journals
eISSN - 0370-2804
pISSN - 0370-0968
DOI - 10.30843/nzpp.2002.55.3928
Subject(s) - weed , pasture , agronomy , biology , ranunculus , herbaceous plant , weed control , dry matter , grazing , agroforestry , ecology
A method is presented for estimating the economic loss sustained by a pastoral industry due to a nonpalatable herbaceous weed The method requires monthly estimates of weed ground cover and dry matter produced by noninfested pasture along with the per annum production revenue and an estimate of the percentage of the industrys pastureland infested by the weed Applied to giant buttercup (Ranunculus acris L) in dairy pastures in New Zealand the method estimated the national economic loss due to this weed to be NZ 118 million in the 19992000 year