INFLUENCE OF WATER-CONTENT ON ELECTRICAL CONDUCTIVITY OF SOIL

被引：79
|
作者：
GUPTA, SC [1 ]
HANKS, RJ [1 ]
机构：
[1] UNIV UTAH,DEPT SOIL SCI & BIOMETEOROL,LOGAN,UT 84321
来源：
SOIL SCIENCE SOCIETY OF AMERICA JOURNAL | 1972年 / 36卷 / 06期
关键词：
Electric conductivity;
D O I：
10.2136/sssaj1972.03615995003600060011x
中图分类号：
S15 [土壤学];
学科分类号：
0903 ; 090301 ;
摘要：
The four-probe system of measuring electric conductivity of soil eliminates the time lag error, but introduces the problem of correcting the changes in conductivity caused by water content. Units were constructed and samples prepared to evaluate the influence of water content, and salt concentrations on the four-probe conductivity (K4P). Two soils were studied. Regression equations developed to estimate saturation or 1:5 extract electric conductivity from four-probe conductivity and water content gave correlation coefficients of 0. 75 and 0. 90, respectively.
引用
收藏
页码：855 / 857
页数：3
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