The Use of Aromatic Solvents for Control of Submersed Aquatic Weeds in Irrigation Channels (Classic Reprint) - Hardcover

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Excerpt from The Use of Aromatic Solvents for Control of Submersed Aquatic Weeds in Irrigation Channels

Thorough dispersion of the chemicals in the water before coming into contact with weed growth was of utmost importance. Aromatic solvents are lighter than water. Unless completely dispersed, the emulsions did not extend to the bottom of the channel but tended to break up more rapidly, allowing the solvent to rise to the surface and evaporate.

With conventional spray units, the introduction of chemicals im mediately above a weir or other structure, with a considerable drop and turbulent pool, usually promoted adequate dispersion (fig. In the absence of such structures, compressed - air booms, attached to large compressor units. And placed in the water immediately below the spray boom, provided agitation and chemical dispersion. The advantage of mixing the aromatic solvents with water prior to intro duction under high pressure has already been discussed in the section titled Equipment for Application.

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