An analysis of 27 years of herbicide evaluation trials from 1992- 2018 found that when weed control was less than 94 per cent over the entire weed community and growing season, it exacerbated the effect of heat or drought on corn yields.

Weeds may compound effects of climate change impact

Study says corn yields are expected to be reduced as weeds compete for fewer water resources in the American Midwest

Glacier FarmMedia – A U.S. study has found that weeds will likely deepen the negative impact of climate change on corn yields, says a scientist. Such results likely extend to […] Read more