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Assessment of Wool Waste and Hair Waste as Soil Amendment and Nutrient Source

Department of Plant and Animal Sciences, Nova Scotia Agricultural College, 50 Pictou Road, Cox Institute R-151, P.O. Box 550, Truro, Nova Scotia, Canada B2N 5E3

View larger version (87K): [in a new window]   Fig. 1. Backscattered electron (BSE) scanning electron microscope (SEM) image of decomposing wool waste fiber from the sage field experiment at a magnification of 1000x. This image also illustrates the site on the wool fiber where the EDX microanalysis was performed. The wool was applied to the sage field experiment in October 2001, and the sample shown was taken in April of 2005.

View larger version (11K): [in a new window]   Fig. 2. Scanning electron microscope (SEM) and energy dispersive X-ray (EDX) microanalysis of decomposing wool fiber. This is a spectrum of the site on degrading wool fiber from the sage field experiment, sampled in April of 2005, as shown in Fig. 1.

View larger version (86K): [in a new window]   Fig. 3. Backscattered electron (BSE) image in the compositional mode at 20.0-kV accelerating voltage and at a magnification of 500x of decomposing hair (strand in the middle of the image) and fresh hair (strands on both sides of the decomposing hair strand). The decomposing hair samples are from the 80-g hair waste treatment in the peppermint container experiment.

View larger version (131K): [in a new window]   Fig. 4. Scanning electron microscope (SEM) and energy dispersive X-ray (EDX) microanalysis of decomposing hair (strand in the middle of the image) and fresh hair (strands on both sides of the decomposing hair strand) as shown in Fig. 3. X-ray dot mapping displays P in red, K in green, and N in blue.

View larger version (80K): [in a new window]   Fig. 5. Backscattered electron (BSE) image in the compositional mode at 20.0-kV accelerating voltage and at a magnification of 500x of decomposing hair samples taken in April of 2005 from the 80-g hair waste treatment in the peppermint container experiment. The image also portrays a site of interest for EDX microanalysis.

View larger version (11K): [in a new window]   Fig. 6. Energy dispersive X-ray (EDX) analysis of decomposing hair. This is a spectrum at the site of interest on the decomposing hair sample, as shown in Fig. 5.