Which statement is accurate regarding the agitation of wettable powders?

The accurate statement regarding the agitation of wettable powders is that they require mechanical agitation. Wettable powders are formulated to be mixed with water to create a sprayable solution. Because they do not dissolve completely like soluble granules, they need to be kept in suspension in the liquid to ensure uniform distribution during application. Mechanical agitation helps to continuously mix the solution, preventing the particles from settling out at the bottom of the tank. This is crucial for effective application since an uneven mixture can lead to inconsistent herbicide coverage, impacting the efficacy of weed control.

Manual stirring, while potentially effective for small quantities, is often impractical for larger applications and does not ensure sufficient mixing over extended periods. The assertion that wettable powders require no agitation or that they dissolve without agitation is inaccurate, as both scenarios would lead to poor performance in weed management due to the possibility of clumping or ineffective distribution of the active ingredient.