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Recycling of sewage sludge compost to soil via turfgrass substrate is receiving increasing attention. When compared with heavy metals, weeds receive little attention in studies of hazards associated with sludge compost being reused as substrate. Therefore, this study was conducted to investigate the total concomitant weed germination density and major weed species during application of sludge compost...
Nonylphenol can be present in sewage sludge, and this can limit the use of the sewage sludge to amend soil. Composting is one of the most efficient and economical methods of making sewage sludge stable and harmless. The nonylphenol degradation rates during composting with added bulking agents and with aeration applied were studied. Three organic bulking agents (sawdust, corn stalk, and mushroom residue)...
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