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Development and Testing of Slow Release Fertilizer for Restoring Salmonid Habitat-1996 Progress Report Mouldey Ewing, Sarah E.
1998
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Abstract: In small nutrient deficient streams, slow release fertilizer is a low cost, practical alternative to liquid fertilization that can be used to restore salmonid productivity in areas negatively impacted by past logging practices, over-fishing, reservoir construction or other human activities. The Fisheries Branch (MoELP) developed the fertilizer briquettes (7-40-0) to be a single annual application. Previous laboratory work has been conducted to examine how various parameters (pH, alkalinity and temperature) affect release rates. Field research began in 1995 as part of a three year study to determine how the briquettes respond in a variety of flow, water chemistry and temperature conditions and to examine the resulting effect on stream productivity. In 1996, briquettes were added to six streams (range of discharge: 0.06-1.62 m3/s) in the southcoast region. The quantity of fertilizer added (24-685.3 kg) was based on discharge, aiming for a dissolved inorganic phosphorous concentration of 3g/L. Field data collec
 
Mouldey Ewing, Sarah E., Ashley, Ken I.. 1998. Development and Testing of Slow Release Fertilizer for Restoring Salmonid Habitat-1996 Progress Report. Ministry of Environment, Lands and Parks. Watershed Restoration Project Report. WRPR09
 
Topic: Watershed Restoration Program
Keywords: salmonid, habitat, fertilizer, fertilization
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ISBN:  English Name: 
Other Identifier: Ministry of Forests
 
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