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Help! Soil problem - mold or algae??

Gardening Reference » Gardening in 2006
by chachasherry on July 10, 2006 03:13 AM
We recently completed a huge landscape project - tiered stone retaining walls containing four large planting areas. We have very little planted in them yet. One of the beds has a nasty, slimy black growth on the surface of the soil. There is good drainage in the beds, we added corrugated drainpipes. The bed in question is in shade most of the day. Suggestions?

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