Changes in Soil Organic Carbon and Nitrogen as a Result of Cultivation

Post, W. M.; Mann, L. K.

doi:10.3334/CDIAC/TCM.006

Title: Changes in Soil Organic Carbon and Nitrogen as a Result of Cultivation

Dataset
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Abstract

We assembed and analyzed a data base of soil organic carbon and nitrogen information from over 1100 profiles in order to explore factors related to the changes in storage of soil organic matter resulting from land conversion. The relationship between cultivated and uncultivated organic carbon and nitrogen storage in soils can be described by regression lines with uncultivated storage on the abscissa, and cultivated storage on the ordinate. The slope of the regression lines is less than 1 indicating that the amount of carbon or nitrogen lost is an increasing fraction of the intial amount stored in the soil. Average carbon loss for soils with high initial carbon is 23% for 1-meter depth. Average nitrogen loss for the same depth is 6%. In addition, for soils with very low uncultivated carbon or nitrogen storage, cultivation results in increases in storage. In soils with the same uncultivated carbon contents, profiles with higher C:N ratios lost more carbon than those with low C:N ratios, suggesting that decomposition of organic matter may, in general, be more limited by microbial ability to break carbon bonds than by nitrogen deficiency.For access to the data files, click this link to the CDIAC data transition website: http://cdiac.ess-dive.lbl.gov/programs/CSEQ/terrestrial/postmann1990/postmann1990.html

Authors:

Post, W. M.; Mann, L. K.

Oak Ridge National Laboratory, Environmental Sciences Division

Publication Date:: 1990-01-01

Other Number(s):: doi:10.3334/CDIAC/TCM.006; cdiac:doi 10.3334/CDIAC/tcm.006

DOE Contract Number:: AC05-84OR21400

Research Org.:: Environmental System Science Data Infrastructure for a Virtual Ecosystem (ESS-DIVE) (United States)

Sponsoring Org.:: U.S. DOE > Office of Science (SC) > Biological and Environmental Research (BER) (SC-23)

Subject:: 54 ENVIRONMENTAL SCIENCES

Keywords:: Changes; Carbon; cultivation; soil organic Carbon; Nitrogen; result; Carbon Cycle; Carbon Sequestration; Soil carbon; deforestation; CARBON SEQUESTRATION-TERRESTRIAL; Soil Profile Numer; Soil ID ; Higher Depth (cm); Lower Depth (cm); Soil Nitrogen (%); Soil Series Name; Surface Layer Horizon; Vegitation; Bulk Density (g/cm^3); Soil C (%)

OSTI Identifier:: 1389523

DOI:: https://doi.org/10.3334/CDIAC/TCM.006

Citation Formats


                    Post, W. M., and Mann, L. K. Changes in Soil Organic Carbon and Nitrogen as a Result of Cultivation.  United States: N. p., 1990. 
        Web.  doi:10.3334/CDIAC/TCM.006.

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                    Post, W. M., & Mann, L. K. Changes in Soil Organic Carbon and Nitrogen as a Result of Cultivation.  United States.  doi:https://doi.org/10.3334/CDIAC/TCM.006

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                    Post, W. M., and Mann, L. K. 1990.  
"Changes in Soil Organic Carbon and Nitrogen as a Result of Cultivation".  United States.  doi:https://doi.org/10.3334/CDIAC/TCM.006.  https://www.osti.gov/servlets/purl/1389523. Pub date:Mon Jan 01 00:00:00 EST 1990

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@article{osti_1389523,

  title        = {Changes in Soil Organic Carbon and Nitrogen as a Result of Cultivation},

  author       = {Post, W. M. and Mann, L. K.},

  abstractNote = {We assembed and analyzed a data base of soil organic carbon and nitrogen information from over 1100 profiles in order to explore factors related to the changes in storage of soil organic matter resulting from land conversion. The relationship between cultivated and uncultivated organic carbon and nitrogen storage in soils can be described by regression lines with uncultivated storage on the abscissa, and cultivated storage on the ordinate. The slope of the regression lines is less than 1 indicating that the amount of carbon or nitrogen lost is an increasing fraction of the intial amount stored in the soil. Average carbon loss for soils with high initial carbon is 23% for 1-meter depth. Average nitrogen loss for the same depth is 6%. In addition, for soils with very low uncultivated carbon or nitrogen storage, cultivation results in increases in storage. In soils with the same uncultivated carbon contents, profiles with higher C:N ratios lost more carbon than those with low C:N ratios, suggesting that decomposition of organic matter may, in general, be more limited by microbial ability to break carbon bonds than by nitrogen deficiency.For access to the data files, click this link to the CDIAC data transition website: http://cdiac.ess-dive.lbl.gov/programs/CSEQ/terrestrial/postmann1990/postmann1990.html},

  doi          = {10.3334/CDIAC/TCM.006},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {1990},

  month        = {1}

}

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DOI: https://doi.org/10.3334/CDIAC/TCM.006

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