steamroller
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Without a reading of PPM runoff with clean water in just soil your runoff numbers mean nothing.
The soil has stuff in it that will be washed through when you water to run off, thus raising the number from what you installed.
You have no baseline to compare your runoff numbers to..
The soil has stuff in it that will be washed through when you water to run off, thus raising the number from what you installed.
You have no baseline to compare your runoff numbers to..