Freeze-thaw cycling, moisture and leaching from a Controlled Release Nutrient source

D. B. Gore; I. Snape

doi:10.1016/j.coldregions.2007.07.007

Freeze-thaw cycling, moisture and leaching from a Controlled Release Nutrient source

D. B. Gore^*, I. Snape

^*Corresponding author for this work

Faculty of Science and Engineering

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

Controlled Release Nutrient sources assist in the bioremediation of hydrocarbon spills by stimulating microbial activity. However, freeze-thaw activity might result in splitting of fertilizer pellets with the uncontrolled release of nutrients. We examined the role of freeze-thaw and three moisture levels on nutrient release from MaxBac®, a nitrogen and phosphorus-based fertilizer encapsulated by an organic resin. We found that moisture alone accounts for most of the nutrient release, while freeze-thaw creates only a minor enhancement of nutrient release. This Controlled Release Nutrient source appears to be suitable for use in areas of freezing ground.

Original language	English
Pages (from-to)	401-407
Number of pages	7
Journal	Cold Regions Science and Technology
Volume	52
Issue number	3
DOIs	https://doi.org/10.1016/j.coldregions.2007.07.007
Publication status	Published - May 2008

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