Full Length Research Paper
Abstract
The effect of paper mill lime sludge as acid soil amendment in an experimental study was investigated. Sludge used contained 58.4% calcium carbonates plus a small amount of heavy metals. An incubation study was conducted with an acid soil for up to 90 days and the treatments included various amounts of sludge. Results indicated a promising potential for paper mill sludge to be used as an inexpensive source of available lime for correction of soil acidity.
Key words: Acid soil, paper mill lime sludge, soil amendment.
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