共 24 条
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Brevik E.C., Fenton T.E., The relative influence of soil water content, clay, temperature, and carbonate minerals on soil electrical conductivity readings taken with an EM-38 along a Mollisol Catena in Central Iowa, Soil Survey Horizons, 43, pp. 9-13, (2002)
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Brevik E.C., Fenton T.E., Use of the Geonics® EM-38 to delineate soils in a loess over till landscape, Southwestern Iowa, Soil Survey Horizons, 44, 1, pp. 16-24, (2003)
[4]
Brevik E.C., Fenton T.E., Jaynes D.B., Soil sensing techniques as soil survey tools in lacustrine-derived soils, Central Iowa, Proceedings of the 5th International Conference on Precision Agriculture, (2000)
[5]
Brevik E.C., Fenton T.E., Jaynes D.B., Evaluation of the accuracy of a Central Iowa soil survey and implications for precision soil management, Precision Agriculture, 4, pp. 323-334, (2003)
[6]
Brevik E.C., Fenton T.E., Lazari A., Differences in EM-38 readings taken above crop residues versus readings taken with instrument-ground contact, Precision Agriculture, 4, pp. 351-358, (2003)
[7]
Buol S.W., Hole F.D., McCracken R.J., Southard R.J., Soil Genesis and Classification, 4th Edn, (1997)
[8]
Doolittle J.A., Murphy R., Parks G., Warner J., Electromagnetic induction investigations of a soil delineation in Reno County, Kansas, Soil Survey Horizons, 37, pp. 11-20, (1996)
[9]
Doolittle J.A., Sudduth K.A., Kitchen N.R., Indorante S.J., Estimating depths to claypans using electromagnetic induction methods, Journal of Soil and Water Conservation, 49, pp. 572-575
[10]
Fenton T.E., Lauterbach M.A., Soil map unit composition and scale of mapping related to interpretations for precision soil and crop management in Iowa, Proceedings of the Fourth International Conference on Precision Agriculture, pp. 239-251, (1999)