Management of Vegetation by Alternative Practices in Fields and Roadsides

Table 11

Mass of vegetation harvested from roadside plots treated with alternative herbicides or with mowing (Roadside Experiment  1).

Herbicide	Application^†; a.i. L ha^−1	Mass of vegetation, g fresh wt m^−2
		Mowed^‡	Unmowed
Clove oil	34	1,163	1,210
	68	1,156	1,120
Pelargonic acid	13	1,116	1,340
	26	1,273	1,180
Limonene	18	1,172	1,035
	36	1,150	1,250
None		1,487	1,126
Mean		1,217	1,180

^†a.i.: active ingredient.
^‡Mowed to 10 cm height above ground.
Neither herbicide treatment, mowing, nor their interaction had a significant effect on mass by -test .