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Old 02-14-2015, 02:31 PM
Chamber143 Chamber143 is offline
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Location: Hickory nc
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Sorry i didnt answer in the last post but i have seeded with mine and i dont have any issues. What i do is simple go over the yards twice in opposite directions. I seems to be more uniform that way but i have opened it up some more and made just one pass with no problems
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Old 02-14-2015, 03:35 PM
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DA Quality Lawn & YS DA Quality Lawn & YS is offline
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If you are just flinging fert...don't kill yourself calibrating. Find a good base setting, fert your own lawn, then 'tweak' to hit the rate you need.

Liquid cali is so much more important.
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Old 02-14-2015, 05:44 PM
Chamber143 Chamber143 is offline
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Though i do agree that i wouldnt kill myself calibrating fertilizer, my method only takes 15 minutes tops and you do need to get pretty close so u are not wasting material and not using to much N or ai of pre emergent. I get very close to it and it doesnt waste to much time. I do whole heartedly agree about liquid apps though. You need to be dead nuts on those.
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Old 02-14-2015, 11:49 PM
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RigglePLC RigglePLC is offline
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The best way is a "calibration box". No tarp needed; it just collects the granules and you weigh them. If you have a good fert dealer, he will have one you can borrow. Borrow his scales too--or better still calibrate at his warehouse, with his expert assistance. Of course, at $350 the calibration box its a bit pricy. You want to make sure you apply the correct amount of crabgrass control. That is the law. And...if your guys consistently apply 20 percent too much--it will cost you big bucks by the end of May. Not to mention the chance of injuring some grass.

Anybody with a plastic waste basket, a lot of duct tape and a box cutter should be able to make one.

I am sure you can see the advantages of a hand spreader because you can pour it out and weigh the remainder--use about 20 pounds and a bathroom scale. Measure the grass area carefully of course.
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