Aix, I wanted to add that the pond muck can be very high in nutrients, so much so that it may be to loaded to the point of burning plant life/preventing germination. It typically requires a period of time to dry out and breakdown. Spreading out in a field (about a foot thick) for a few months worked for me for the low spot areas that I filled in the yard. The area behind the dam was not spread out just piled up and worked smooth as it dried. I have had no issues of burning plant life, but it weathered from October to April before it was smoothed over and seeded.
