Miccar Aerial Ltd. Crop Spraying in Yorkton, Saskatchewan


McCracken - Minimizing effects of high temp, low humidity

Courtesy of AgAir update

When working with agricultural aircraft on a hot dry day I often question the logic in loading an aircraft with water knowing that a very significant  portion will never reach the crop due to evaporation losses, especially so when the product label specifies high volumes of 3-5 gals/acre.  On many occasions when I applied sun protectant I observed that the whitish cream stayed wet for many hours even though it had some water, an invert emulsion.  This observation led me to contact chemical suppliers searching for products that could be missed in the field to form a stable invert emulsion with agro-chemicals.

This short report deals with some aspects of this development and potential benefits for aerial application with emphasis on improved deposition under hot, dry conditions.

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