![]() ![]() ![]() Steam-producing machines - including those equipped with wands for spot treatments - have been used to control weeds on smaller acreages with high-value crops and orchards.īut Gleim intends for his machine to be used practically in commercial grain crop production as well as organic operations. The harsh reality is that we certainly cannot rely on herbicides like we used to. When it comes to producing boiling water or steam to destroy plant tissue, "a big hurdle is the amount of energy required to produce enough heat to be viable," Tardif said in an email. ![]() Using steam to battle weeds isn't a novel idea.įrançois Tardif, a professor of weed science at the University of Guelph, said heat has been used in multiple forms over the years, including direct flame on stubble. Rise of organic farming fuelled by concerns about use of glyphosate, other chemicals. ![]()
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