Non-composted municipal solid waste processing byproduct effect on soil reclamation

被引:3
作者
Torbert, H. Allen
Gebhart, Dick L.
Busby, Ryan R.
Potter, Kenneth N.
Curtin, Deborah R.
机构
[1] USDA ARS, Natl Soil Dynam Lab, Auburn, AL 36832 USA
[2] USA, Engineer Res & Dev Ctr, Construct Engn Res Lab, Urbana, IL USA
[3] USDA ARS, Grassland Soil & Water Res Lab, Temple, TX 76502 USA
关键词
carbon; municipal solid waste; nitrogen; plant nutrients; soil restoration;
D O I
10.1080/01904160701289891
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A new garbage processing technology has been developed that sterilizes and separates inorganic and organic components of municipal solid waste. The non-composted byproduct of this process, Fluff (R), has the potential to be utilized as a soil amendment to improve soil conditions in highly degraded soils. A study was initiated to evaluate Fluff as a soil amendment for establishing native grasses on disturbed US Army training lands. The Fluff was incorporated into a sandy loam soil at Fort Benning Military Reservation, GA on two sites: a moderately degraded and a highly degraded soil. The Fluff was incorporated at rates of 0, 18, 36, 72, and 143 Mg ha(-1) to assess the effects on soil properties for two growing seasons. The addition of Fluff improved available plant nutrients and soil pH levels at both sites. Also, Fluff reduced the level of soil bulk density and increased soil concentration of carbon (C) and nitrogen (N). Because no adverse environmental effects were detected and Fluff improved soil physical and nutrient conditions as well as improving perennial grass establishment with increasing application rates, land application of Fluff to degraded US Army training grounds could be considered a viable and beneficial alternative to current waste management practices.
引用
收藏
页码:755 / 772
页数:18
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