Solute Release from Weathering of Spent Mushroom Substrate under Controlled Conditions
作者： Mingxin Guo , Jon Chorover
DOI: 10.1080/1065657X.2004.10702187
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摘要: Weathering of piled material in the field is a popular method to treat spent mushroom substrate (SMS) before reuse. During weathering process, rainfall and snowmelt pass through SMS piles large amount solutes released leachate. To investigate solute release patterns, process was simulated under controlled conditions laboratory. Fresh packed an acrylic column (20 cm i.d.) 150 height leached intermittently with cumulative total 230 deionized water over 180 days. Leachate collected analyzed for dissolved organic carbon (DOC), nitrogen (DON), electrical conductivity (EC), inorganic salts. Solute patterns were described using first order models, calculated. The leachate had DOC, DON EC values ranging from 450 15,500 mg L−1, 50 1,700 3 dS m−1, respectively. major cations K+, Na+, Ca2+, Mg2+ NH4+, anions...
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