Influence of Residual Nitrogen on Wheat Straw Decomposition in the Field

Smith, J.H. and Douglas, C.L. (1968) Influence of Residual Nitrogen on Wheat Straw Decomposition in the Field. Soil Science. 106(6):456-459.

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Abstract

Plant material decomposition appears to be mainly controlled by the C/N ratio of the plant material under soil moisture, temperature, and aeration conditions that support plant growth in the field. Harmsen and VanSchreven (4) reported, "Numerous earlier papers were devoted to the study of this problem .... Fairly close agreement was obtained by all these investigators as to the N content limits of the added material, below which no N mineralization may be expected. This is 1.5 to 2.0 per cent of the dry matter, corresponding to a C/N ratio of 20 to 25." Similar values were also reported by Broadbent (2) from laboratory studies; and Allison (1), in a recent review, cited several reports that are in general agreement.

Item Type: Article
NWISRL Publication Number: 0099
Subjects: Mass Import - unclassified
Depositing User: Dan Stieneke
Date Deposited: 20 Nov 2010 21:54
Last Modified: 15 Mar 2017 21:46
Item ID: 719
URI: https://eprints.nwisrl.ars.usda.gov/id/eprint/719

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