Dynamics of Municipal Wastewater Sludges on Forest Land
AbstractForest land application of municipal wastewater sludge enhances the production of lignocellulosic materials and represents a promising sludge management alternative to disposal in the environment. This research project had two objectives: upgrading, or recycling, residual sludge produced by water-treatment plants, and increasing silvicultural yields through fertilization. An experiment in greenhouses was conducted for a period of some four months. Varying amounts of anaerobic sludge were used as fertilizer to grow larches in sand. The experiment proved conclusively that sludge from water-purification plants can be put to good use in forest fertilization.
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