Management of Vegetation by Alternative Practices in Fields and Roadsides

Table 9

Main effects of herbicide treatments on end-of-season weed mass and visual index rating of annual and perennial vegetation (Field Experiment  2).

Treatment	Weed mass, g		Visual index rating^‡
	Annual	Perennial	Annual	Perennial
Clove oil	1,299	661	0.3	1.0
Pelargonic acid	948	380	1.1	1.4
Citric-acetic acid	1,263	682	1.0	1.2
Citric acid	1,898	722	0	0.6
Flaming	550	269	0	0
Untreated	2,910	1,174	0	0
LSD	270	270	1.0	1.0

^†Fresh mass on September 28, 2005.
^‡Visual rating index on   September 23, 2005. See Table 3 for indexing scale.