Abstract

Abstract Ten treatments were applied to an athletic field in Londonderry, NH. Plots were 7 X 7 ft, replicated 4 times, in an RCB design. Treatments were applied 13 Jul and rated 7 days later. Granular treatments were applied with a salt shaker. Broadcast treatments were applied with a CO2 boom sprayer, 8004 nozzles, at 40 PSI, in 4 gal water per 1000 ft2. After sprays dried, all plots were lightly watered. Plots were rated by floating bugs in 3 (0.23 ft2) cylinders per plot. Conditions at the time of treatment were: air temperature, 89.7°F; wind, calm; sky, clear, soil temperature, 88.0°F; thatch depth, 0.5 inch slope, 0%; soil pH, 5.2; slope, 0%; soil texture, sandy loam, sand 53%, silt 30%, clay 17%; soil organic matter, 6.3%; soil moisture, 21.9%; post treatment precipitation, none.

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