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Reference:Journal:Weed Technology:2015:Online October 2015:Devkota P 2015:Influence of Spray Solution Temperature and Holding Duration on Weed Control with Premixed Glyphosate and Dicamba Formulation

Date: 29th October 2015 Subscriber: Edouard
Pesticides in general are chemical products, therefore the quality of the water used to spray them in the field is of course important, like in any industry. This concerns temperature, but also pH, carbonates, metals,...

I wanted to link this article with the french AGRITOX database : http://www.agritox.anses.fr/

There, you can find all active substances (might be limited to french homologated chemicals) : http://www.agritox.anses.fr/php/fiches.php

If you look to some molecules like, as an exemple, folpel : http://www.agritox.anses.fr/php/sa.php?sa=101
you will see that half-life time (point 2.7 'temps de demi-vie') is highly influenced by pH.

In alcaline water, the farmer is spraying with half dosage, after simple 35 minutes.

In the case of glyphosate, stated in the article, pH and carbonates play a major role in the efficacy of the spraying, even much more than temperature.
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Date: 29th October 2015
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