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Publication Type:
| Refereed |
Author(s): | Chen, L.;
Dick, W. A.;
Streeter, J. C.;
Hoitink, H. A. J. |
Author Affiliation: | School of Natural Resources; Depatment of Horticulture and Crop Science; Department of Plant Pathology, The Ohio State University, Ohio Agricultural Research and Development Center, Wooster, Ohio |
Title: | Ryegrass utilization of nutrients released from composted biosolids and cow manure |
Source: | Compost Science & Utilization. Vol. 4, No. 1, Winter 1996, p. 73-83. |
Publishing Information: | Emmaus, PA: JG Press |
# of Pages: | 11 |
Keywords: | TIC Keywords: Nitrogen uptake; Soil amendments; Composts; Lolium; Nutrient absorption; Animal manures; Nitrogen
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Abstract/Contents: | "Use of composts as soil amendments to enhance crop growth requires a knowledge of rates and amounts of nutrients released. A greenhouse study was conducted using ryegrass (Lolium perenne L.) as a test plant to evaluate this release from composts. The experimental design consisted of four blocked replicates in a complete factorial with two types of compost (wastewater treatment plant biosolids and cow manure), four application rates (1, 2, 5 and 10 percent weight of sand), and three fertilizer treaments (0, 100 mg N/kg mixture, and 100 mg P/kg mixture). Rye-grass top growth was harvested after 21 days. The regrowth was harvested three additional times. Roots were recovered after the fourth harvest. Total N uptake was significantly and positively affected by the total amount of N supplied by the compost or compost plus N fertilizer (rā values ranged from 0.992 to 0.999). Initial N uptake depended on the mineral N concentration in the compost and was higher from biosolids than from cow manure compost. Biosolids compost contained 10 times more mineral N and this N was primarily taken up in the first two harvests. Cow manure compost, however, provided N gradually over the entire 84 day test. In addition to N, both composts also supplied P, K, and other major and minor nutrients essential for plant growth." |
Language: | English |
References: | 21 |
Note: | Figures Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Chen, L., W. A. Dick, J. C. Streeter, and H. A. J. Hoitink. 1996. Ryegrass utilization of nutrients released from composted biosolids and cow manure. Compost Sci. Util. 4(1):p. 73-83. |
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