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http://dx.doi.org/10.7745/KJSSF.2011.44.3.344

A Study of Relation Between Yamanaka Hardness and Penetrometer Cone Index  

Han, Kyung-Hwa (Soil & Fertilizer Management Division, NAAS, RDA)
Cho, Hee-Rae (Soil & Fertilizer Management Division, NAAS, RDA)
Jeon, Sang-Ho (Soil & Fertilizer Management Division, NAAS, RDA)
Zhang, Yong-Seon (Soil & Fertilizer Management Division, NAAS, RDA)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.44, no.3, 2011 , pp. 344-346 More about this Journal
Abstract
This study was conducted in order to compare between Yamanaka hardness (YA), hand-push type, and penetrometer cone index (PE), on 16 upland sites. Yamanaka hardness had significant correlation with penetrometer cone index. The regression equation was $PE=1.80^*YA+0.16$ ($R^2=0.91^{***}$, N=16) with the applicative YA range of 0.1-1.3 MPa.
Keywords
Yamanaka hardness; Penetrometer cone index;
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