Publications for:

pest = Xanthium strumarium (weed)
crop = Soybean (Glycine max)
country = Canada (east)

found 2 publications:

2008

Control of common cocklebur (Xanthium strumarium L.) with pre- and postemergence herbicides in soybean
Canadian Journal of Plant Science (2008) 88 (6), 1127-1131
publishers website - pestinfo wiki

2003

Correlations among relative crop and weed growth stages
Weed Science (2003) 51 (2), 163-170
publishers website - pestinfo wiki