참고문헌
- ASAE Standards. 2005. S313.3: Soil Cone Penetrometer. ASAE, St. Joseph, Michigan, USA
- Jackson, T., K. Mansfield, M. Saafi, T. Colman and P. Romine. 2008. Measuring soil temperature and moisture using wireless MEMS sensors. Measurement 41:381-390 https://doi.org/10.1016/j.measurement.2007.02.009
- Kim, K. B., S. C. Kim, D. S. Joo and D. J. Yoon. 2003. Precision measurement of water content in soil using dual RF impedance changes. Journal of KSAM 28(4):369-376. (In Korean)
- Lee, D. H., Y. J. Cho, Y. C. Chang and K. S. Lee. 2008. Analysis of main design factors for developing a soil water content sensor using impedance spectroscopy. Journal of Biosystems Engineering 33(4):269-375. (In Korean) https://doi.org/10.5307/JBE.2008.33.4.269
- Morgan, K. T., L. R. Parsons, T. A. Wheaton, D. J. Pitts and T. A. Obreza. 1999. Field calibration of a capacitance water content probe in fine sand soils. Soil Science Society America Journal 63:987-989 https://doi.org/10.2136/sssaj1999.634987x
- Oh, Y. T., D. S. Oh, K. C. Song, J. S. Shin and J. N. Im. 1998. Application of dielectric sensor for soil moisture measurement. Journal of Soil Science and Fertilizer 31(2):85-94. (In Korean)
- Quinones, H, P. Ruelle and I. Nemeth. 2003. Comparison of three calibration procedures for TDR soil moisture sensors. Irrigation and Drainage 52(3):203-217 https://doi.org/10.1002/ird.95
- Soil Science Society of America. 2002. Methods of Soil Analysis: Part 4 -Physical Methods. SSSA, Madison, Wisconsin, USA