A few years back, a group of weed scientists showed that soil-applied herbicides are less effective against agricultural weeds in the context of our changing climate.

Certain weeds, especially warm-season perennials, may not be readily controlled by pre-emergence application, weed escapes ...

to eliminate it for now -- while also ensuring you use pre-emergent herbicide in the future. Read more: Homemade Weed Killer ...

Two cannabis manufacturers have issued recalls for their products amid concerns about pesticide contamination.