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Filtering by: Subject Wood waste -- Utilization Non-Academic Affiliation Oregon State University. Agricultural Experiment Station

Douglas-fir bark as a trickling filter medium for animal waste disposal systems

Creator:

Cropsey, Myron George, 1910- and Weswig, Paul H. (Paul Henry), 1912-

Abstract:

Douglas-fir bark, 3/4 inch and 1 1/2 inch in size, was tested in recirculating trickling filters 1, 2, and 3 feet in depth, hydraulically loaded at 2.27, 4.54, and 9.08 gallons per minute per square foot (gpm/sq.ft.) with 2 and 4 percent poultry manure slurry at 70° F. Preliminary tests...

Resource Type:

Technical Report

Full Text:

,r3 v Douglas-fir Bark as a Trickling Filter Medium for Animal Waste Technical Bulletin 124
Effects of sawdust mulches. II. Horticultural crops

Creator:

Roberts, Alfred Nathan, 1917- and Mellenthin, Walter M., 1920-

Abstract:

Published October 1959. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

nitrogen. The cited authors have shown that the type of wood waste, its composition, and the physical
Effects of sawdust mulches. I, Soil properties

Creator:

Kirsch, R. K. (Richard Kneale), 1923-

Abstract:

Published October 1959. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Mulches 1. Soil Properties Introduction Value of sawdust and other wood wastes as mulches or soil

ScholarsArchive@OSU

Douglas-fir bark as a trickling filter medium for animal waste disposal systems

Effects of sawdust mulches. II. Horticultural crops

Effects of sawdust mulches. I, Soil properties

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