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DOI: | 10.4141/cjps75-153 |
Web URL(s): | http://pubs.aic.ca/doi/pdf/10.4141/cjps75-153 Last checked: 08/07/2013 Requires: PDF Reader |
Publication Type:
| Refereed |
Author(s): | Smith, A. D.;
Lutwick, L. E. |
Author Affiliation: | Research Station, Agriculture Canada, Lethbridge, Alberta, |
Title: | Relationship between Orange G dye-binding capacity and total N content of six grass species |
Section: | Forage Other records with the "Forage" Section
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Source: | Canadian Journal of Plant Science. Vol. 55, No. 4, October 1975, p. 969-973. |
Publishing Information: | Ottawa, Ontario, Canada: Agricultural Institute of Canada |
# of Pages: | 5 |
Related Web URL: | http://pubs.aic.ca/doi/abs/10.4141/cjps75-153 Last checked: 08/07/2013 Notes: English abstract only |
Keywords: | TIC Keywords: Nitrogen level; Phleum pratense; Agropyron cristatum; Agropyron intermedium; Bromus inermis; Elymus junceus; Fertilizers; Chemical composition; Dye binding; Kjeldahl method
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Geographic Terms: | Canada, Alberta |
Abstract/Contents: | "Six grass species were grown at four levels of N fertilizer and harvested at three stages of maturity. Two methods were used to estimate the protein content of the grasses: the Orange G dye-binding capacity and total N content. Values from the two methods were correlated to show the relationships between the two methods when species, levels of N fertilizer, and stages of maturity varied. The correlations between Orange G dye-binding capacity and total N were linear, positive, and highly significant. The variation about the regression lines was greatest when total N content was greater than 2.5% of plant dry weight; this condition was especially marked at early heading stage and high rates of N fertilizer. The precise relationships also varied among species. The Orange G dye-binding method for determining protein content is satisfactory for grasses where the total N content of the grass does not exceed 2.5%, but is not satisfactory for grasses with higher total N contents." |
Language: | English |
References: | 9 |
Note: | Abstract also appears in French Graphs |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Smith, A. D., and L. E. Lutwick. 1975. Relationship between Orange G dye-binding capacity and total N content of six grass species. Can. J. Plant Sci. 55(4):p. 969-973. |
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| DOI: 10.4141/cjps75-153 |
| Web URL(s): http://pubs.aic.ca/doi/pdf/10.4141/cjps75-153 Last checked: 08/07/2013 Requires: PDF Reader |
| MSU catalog number: b2210781a |
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