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Arable Farming
Cropping
Glyphosate
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<blockquote data-quote="Oat" data-source="post: 2181302" data-attributes="member: 1928"><p>It depends how wet the leaf is. If there is enough water on the leaf, that the spray creates enough liquid to cause run off, the it's a problem, but if not then it will actually improve the coverage of the glyphosate on the leaf. I was sprayed a contact herbicide on some rape which then got a light shower of rain (not enough to cause run off). It obviously improved chemical coverage, as the bit I sprayed the the day before had much worse control.</p><p></p><p>If the chemical dries on the leaf, then it gives more time for the chemical to be absorbed. This is also why it works better when the plants are actively growing, they will absorb the chemical and translocate it around the plant quicker. If temps are going below freezing and you think that the chemical won't dry on the leaf, then I would leave it.</p></blockquote><p></p>
[QUOTE="Oat, post: 2181302, member: 1928"] It depends how wet the leaf is. If there is enough water on the leaf, that the spray creates enough liquid to cause run off, the it's a problem, but if not then it will actually improve the coverage of the glyphosate on the leaf. I was sprayed a contact herbicide on some rape which then got a light shower of rain (not enough to cause run off). It obviously improved chemical coverage, as the bit I sprayed the the day before had much worse control. If the chemical dries on the leaf, then it gives more time for the chemical to be absorbed. This is also why it works better when the plants are actively growing, they will absorb the chemical and translocate it around the plant quicker. If temps are going below freezing and you think that the chemical won't dry on the leaf, then I would leave it. [/QUOTE]
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Glyphosate
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