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The Water Cooler
General Discussion
I need someone who can kill some grass and weeds.
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<blockquote data-quote="Perplexed" data-source="post: 1567946" data-attributes="member: 7157"><p>That depends on the makeup of the soil and how permeable it is. But generally speaking, glyphosate (the active ingredient in RoundUp) does readily adsorb to soil particles, but it doesn't quickly become inert, per se. Its half life, which depends on a number of factors, generally is about 3 weeks in anaerobic soil to 3 months in aerobic soil, and it depends mainly on microbial degradation. It becomes ineffective on pre-emergent vegetation, but can still affect non-target organisms, primarily aquatic invertebrates. The adjuvants and surfactants in a mix containing glyphosate can actually be more toxic than the active ingredient, depending on the mix. Bottom line, the use of any pesticide should be minimized.</p></blockquote><p></p>
[QUOTE="Perplexed, post: 1567946, member: 7157"] That depends on the makeup of the soil and how permeable it is. But generally speaking, glyphosate (the active ingredient in RoundUp) does readily adsorb to soil particles, but it doesn't quickly become inert, per se. Its half life, which depends on a number of factors, generally is about 3 weeks in anaerobic soil to 3 months in aerobic soil, and it depends mainly on microbial degradation. It becomes ineffective on pre-emergent vegetation, but can still affect non-target organisms, primarily aquatic invertebrates. The adjuvants and surfactants in a mix containing glyphosate can actually be more toxic than the active ingredient, depending on the mix. Bottom line, the use of any pesticide should be minimized. [/QUOTE]
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I need someone who can kill some grass and weeds.
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