Foliar-active compounds and pre-emergent herbicides with residual properties are often combined to control existing vegetation and to maintain an area clean of vegetative regrowth.
(Foliar-active compounds and pre-emergent herbicides with residual properties; are combined; to control existing vegetation and to maintain an area clean of vegetative regrowth; T:often)
Foliar-active compounds and pre-emergent herbicides with residual properties
are combined
to control existing vegetation and to maintain an area clean of vegetative regrowth T:often