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Random roughness and macroporosity in tillage systems and their influence on soil environment



Random roughness and macroporosity in tillage systems and their influence on soil environment



Publication, Agricultural Research Service, US Department of Agriculture, ARS NC (57): 8-12



Random roughness is highly correlated with macroporosity, but yet a formal relationship has not been developed. It is suggested that a plot of fractional porosity (ordinate) versus random roughness (abscissa) will produce a threshold fractional porosity and random roughness above which there will be a positive correlation. Such information was developed from tests conducted on Kranzburg, Barnes-Aastad, and Nicollet-Webster soil series.

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Accession: 000730517

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