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| Publication Type:
| Refereed |
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| Author(s): | Albrecht, Mary Lewnes;
Watson, Maurice E.;
Tayama, Harry K. |
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| Author Affiliation: | Albrecht: Department of Horticulture, Kansas State University, Manhattan, KS and Former Graduate Research Assistant; Watson: Head, Research-Extension Analytical Laboratory, Ohio Agricultural Research and Development Center, Wooster, OH; Tayama: Professor, The Ohio State University, Columbus, OH |
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| Title: | Chemical characteristics of composted hardwood bark as they relate to plant nutrition |
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| Source: | Journal of The American Society for HorticulturalScience. Vol. 107, No. 6, November 1982, p. 1081-1084. |
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| Publishing Information: | Alexandria, Virginia: American Society for Horticultural Science |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Lolium multiflorum; Trace elements; Copper; Zinc; Iron; Growth; Plant composition
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| Abstract/Contents: | "No differences were observed in the level of total acidity, total N and phenolic hydroxyl groups for samples of composted hardwood bark (fresh composted hardwood bark) and composted hardwood bark which had undergone further decomposition (aged composted hardwood bark). Humic acid was extracted from both fresh and aged composted hardwood barks. Yield of humic acid was greater for the aged bark, and there was an increase in the reactive functional groups which are involved in micronutrient chelation (carboxyl groups increased from 2.69 to 3.59 meq/g; phenolic hydroxyls increased from 7.82 to 10.29 meq/g). Alcoholic hydroxyl groups in fresh composted hardwood bark decreased from 2.03 to 0.01 meq/g with aging. From leaching studies it was determined that 0.5 meq/g Cu+2 was bound per gram of dried, fresh bark. Nutrient uptake studies showed that there was a reduction in the foliar nutrient concentration for Lolium multiflorum Lam. for increased cropping time when grown in aged, composted hardwood bark." |
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| Language: | English |
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| References: | 20 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Albrecht, M. L., M. E. Watson, and H. K. Tayama. 1982. Chemical characteristics of composted hardwood bark as they relate to plant nutrition. J. Am. Soc. Hortic. Sci. 107(6):p. 1081-1084. |
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