No application of corn GLUTEN meal is ever worthless. You might not get full preemergent effect but you are guaranteed to get full fertilizer effect!!!
First let's talk about the spreader. I have a Scotts drop spreader. It hardly works for anything except powdered CGM. When I use it for that, I know how big my yard is so I multiply out how much CGM to use. For example if my yard is 3,000 square feet, I multiply 40 pounds per 1,000 square feet by 3,000 square feet and get 120 pounds. Knowing that I have to apply 120 pounds I really don't need to know what spreader setting to use. I keep applying it as evenly as possible until 120 pounds have disappeared. Then I'm finished. You can use that same theory for any spreader.
Regarding water - apparently CGM works best when it is kept dry for awhile. But if it is not down on the soil, it won't work until it gets there. The only way to be sure it is down on the soil is to water it. So here's the plan: apply it on dry grass, sweep it off the grass by dragging a broom around, then water it enough to dampen it but not to soak into the soil. Then let it stay dry for a week or two.
_________________ David Hall Moderator Dirt Doctor Lawns Forum
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