Development and performance test of a portable soil EC detector

Applied Engineering in Agriculture

Volumn 22, Issue 2, 2006, Pages 301-307

  Li, Minzan ^a   Wang, Maohua ^a   Wang, Qi ^a  

^a CHINA AGRICULTURAL UNIVERSITY   (China)

Author keywords

Four electrode method; Modeling; Precision agriculture; Soil electrical conductivity

Indexed keywords

AGRICULTURE; CORRELATION METHODS; DETECTORS; ELECTRIC CONDUCTIVITY; ESTIMATION; MATHEMATICAL MODELS; REGRESSION ANALYSIS; VOLTAGE MEASUREMENT;

FOUR-ELECTRODE METHOD; PORTABLE SOIL ELECTRICAL CONDUCTIVITY DETECTOR; PRECISION AGRICULTURE; VOLTAGE DROP;

SOILS;

EID: 33744475608     PISSN: 08838542     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (34)

1. Bartnikas, R. 1987. Engineering Dielectrics Vol. IIB, Electrical properties of solid insulating materials: Measurement techniques, 221-234. Philadelphia, Pa.: ASTM Special Technical Publication 926.
2. Brevik, E. C., T. E. Fenton, and A. Lazari. 2003. Differences in EM-38 readings taken above crop residues versus readings taken with instrument-ground contact. Precision Agriculture 4(4): 351-358.
3. Corwin, D. L., and S. M. Lesch. 2003. Application of soil electrical conductivity to precision agriculture -- Theory, principles, and guidelines. Agronomy Journal 95(3): 455-471.
4. Delin, S., and M. Söderström. 2003. Performance of soil electrical conductivity and different methods for mapping soil data from a small dataset. Acta Agriculturae Scandinavica, Section B - Plant Soil Science 52(4): 127-135.
5. Ehsani, R., and M. Sullivan. 2002. Soil electrical conductivity (EC) sensors, Ohio State University Fact Sheet (AEX-565-02). Columbus, Ohio.
6. Hamed, Y., M. Persson, and R. Berndtsson. 2003. Soil solution electrical conductivity measurements using different dielectric techniques. Soil Sci. Soc. Am. J. 67(4): 1071-1078.
7. Huang, Q., Z. Yin, C. Tian, Z. Zhao, H. Wang, J. Zhang, and C. Chen. 2001. The variation of saltiness of soil solution in the farmland fertilized by organic manure. Arid Zone Research 18(1): 53-56.
8. Kitchen, N., K. Sudduth, and S. Drummond. 1999. Soil electrical conductivity as a crop productivity measure for claypan soils. J. Prod. Agric. 12(4): 607-617.
9. Li, C. 1987. Soil electrical conductivity and its application. Chinese Journal of Soil Science 18(2): 15-19.
10. Li, M. Z., A. Sasao, S. Shibusawa, and K. Sakai. 1999. Local variability of soil nutrient parameters in Japanese small size field. J. of the Japanese Society of Agricultural Machinery 61(1): 141-147.
11. Li, M., Z., A. Sasao, S. Shibusawa, and K. Sakai. 2000. Soil parameters estimation with NIR spectroscopy. J of the Japanese Society of Agricultural Machinery 62(3): 111-120.
12. Li, Z., and Y. Gong. 2000. Spatial variability of soil water content and bulk soil electrical conductivity and determination of sampling number in field. J. of China Agricultural University 5(5): 59-66.
13. Liu, G., and J. Yang. 2001. Study on the correlation of soil salt content with electric conductivity and soil water content. Chinese J. of Soil Science 32(90): 85-87.
14. Lund, E. 1999. Practical application of soil electrical conductivity. Precision Agriculture '99(Part 2), 771-779. Sheffield, UK: Sheffield Academic Press.
15. Mallants, D., M. Vanclooster, M. Meddahi, and J. Feyen. 1994. Estimating solute transport in undisturbed soil columns using time-domain reflectometry. J. Contamin. Hydrol. 17: 91-109.
16. Ministry of Water Resource, China. 1995. Standard of Land Drainage Test: SL109-95. Beijing, China: China Water Conservancy and Electric Power Press.
17. National Institute for Agro-Environmental Sciences. 1992. The Law of National Institute for Agro-Environmental Sciences (The Method of Fertilizer Analysis). Tokyo, Japan: Japan Fertilizer and Feed Inspection Association.
18. Patel, R M, S. O. Prasher, and R. B. Bonnell. 2000. Effects of watertable depth, irrigation water salinity, and fertilizer application on root zone salt buildup. Canadian A gricultural Engineering 42(3): 111-115.
19. Rhoades, J. D., P. J. Shouse, W. J. Alves, N. A. Manteghi, and S. M. Lesch. 1990. Determining soil salinity from soil electrical conductivity using different models and estimates. Soil Sci. Soc. Am. J. 54(1): 46-54.
20. Rhoades, J. D., F. Chanduvi, and S. Lesch. 1999. Soil salinity assessment. FAO Irrigation and Drainage Papers 57: 3-7.
21. Robinson, D., S. Lesch, I. Lebron, and P. Shouse. 2003. Minimizing drift in electrical conductivity measurements in high temperature environments using EM-38. Soil Sci. Soc. Am. J. 68(2): 339-345.
22. Sudduth, K., S. Drummond, and N. Kitchen. 2001. Accuracy issues in electromagnetic induction sensing of soil electrical conductivity for precision agriculture. Computers and Electronics in Agriculture 31(3): 239-264.
23. Sudduth, K., N. Kitchen, G. Bollero, D. Bullock, and W. Wiebold. 2003. Comparison of electromagnetic induction and direct sensing of soil electrical conductivity. Agronomy Journal 95(3): 472-482.
24. Sun, Y., Z. Hao, Q. Chen, and L. Liu. 1997. Relationship among ionic strength and electrical conductivity of soil solution and soil bulk conductivity. J. of Hohai University 25(6): 69-73.
25. Sun, Y, 2000. Experimental survey for the effects of soil water content and soil salinity on soil electrical conductivity. J. of China Agricultural University 5(4): 39-41.
26. Sun, Y., and M. Wang. 2001. A mathematical model and its experimental study for a kind of measurement method of soil electric conductivity. Transactions of the Chinese Society of Agricultural Engineering 17(2): 20-23.
27. Telford, W. M., L. Geldart, and R. Sheriff. 1976. Applied Geophysics, 633-640. Cambridge, UK: Cambridge University Press.
28. Triantafilis, J., G. M. Laslett, and A. B. McBratney. 2000. Calibrating an electromagnetic induction instrument to measure salinity in soil under irrigated Cotton. Soil Sci. Soc. Am. J. 64(3): 1009-1017.
29. Tuli, A., and J. W. Hopmans. 2004. Effect of degree of fluid saturation on transport coefficients in disturbed soils. European Journal of Soil Science 55(1): 147-164.
30. White, I., S. Zegelin, G. Topp, and A. Fish. 1994. Effect of bulk electrical conductivity on TDR measurement of water content in porous media. Proceedings of Symposium and Workshop on Time Domain Reflectometry in Environmental, Infrastructure, and Mining Applications, 294-308. Washington, D.C.: USBM.
31. Wu, D., and X. Wang. 1997. Discussion of application condition using electrical conductivity to measure soil salinity. Soils and Fertilizers 34(4): 37-40.
32. Xuan, J. 2000. Dust emission inventory from ground surfaces in Northern China. Acta Scientiae Circumstantiae 20(4): 426-430.
33. You, W. 1990. Development of a soil salinity sensor. Soils 22(3): 105-112.
34. Zuo, Y., Y. Wei, H. Wang, and J. Li. 2001. On the design and research of an intelligent conductivity gauge. Transactions of the Chinese Society of Agricultural Engineering 17(2): 161-164.