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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/65/1/AJ0650010109
Last checked: 12/09/2016
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| Publication Type:
| Refereed |
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| Author(s): | Nelson, D. W.;
Sommers, L. E. |
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| Author Affiliation: | Assistant Professors, Agronomy, Purdue University, Lafayette, Indiana |
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| Title: | Determination of total nitrogen in plant material |
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| Source: | Agronomy Journal. Vol. 65, No. 1, January/February 1973, p. 109-112. |
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| Publishing Information: | Madison, WI: American Society of Agronomy |
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| # of Pages: | 4 |
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| Keywords: | TIC Keywords: Bromus inermis; Dactylis glomerata; Zea mays; Medicago sativa; Chemical composition; Nitrogen level; Nitrogen; Tissues; Comparisons; Digestion; Temperatures
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| Abstract/Contents: | "A simple and precise procedure for estimating total N in plant tissue is described; a modification is also described for analysis of samples containing high nitrate concentrations. Plant tissue samples are placed in pyrex Folin-Wu tubes and digested with a salt-catalyst-sulfuric acid mixture by heating the tubes in an aluminum block. Samples are digested at the boiling point of the mixture for 60 min after initial clearing of the digests. Analyses of diverse plant materials, containing from 0.006 to 0.3% NO3-N3 indicated that the proposed and standard AOAC procedures yielded essentially the same total N values. The coefficient of variation for the proposed methods varied from 0.87 to 1.10%. The tube digestion procedures described allows digestion of 60 plant samples simultaneously and thus greatly improve the efficiency of total N determinations." |
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| Language: | English |
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| References: | 21 |
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| Note: | Correction appears in Agronomy Journal 65(4) July/August 1973, p.684: "In Agronomy Journal Vol. 65. p. 110, the phrase, "states higher than -3.3" should read "...states higher than -3 (3)." In Agronomy Journal Vol.65, p. 267, Tables 1 and 3 are under the wrong captions. Table 3 caption applies to Table 1 and vice versa."
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Nelson, D. W., and L. E. Sommers. 1973. Determination of total nitrogen in plant material. Agron. J. 65(1):p. 109-112. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/65/1/AJ0650010109
Last checked: 12/09/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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