Tran, H., Harrington, K., Robertson, A. and Watt, M. 2010. Persistence of residual herbicides for preventing establishment of broom (<i>Cytisus scoparius</i>) seedlings. New Zealand Plant Protection. 63, (Aug. 2010), 273–273. DOI:https://doi.org/10.30843/nzpp.2010.63.6579.