Correction

This article refers to:

Conversion of soil particle size distribution and texture classification from ISSS system to FAO/USDA system in Japanese paddy soils

Article title: Conversion of soil particle size distribution and texture classification from ISSS system to FAO/USDA system in Japanese paddy soils

Authors: Takahashi, T., Nakano, K., Nira, R., Kumagai, E., Nishida, M., & Namikawa,M.

Journal: Soil Science and Plant Nutrition

Bibliometrics: Volume 66, Number 3, pages 407-414

DOI: http://dx.doi.org/10.1080/00380768.2020.1763143

In the version of this article originally published, there was some incorrect values in the abstract, table 3 and equation 9 which has now been corrected in the online version.

Table 3. The standard deviations (sd) and coefficient of variations (cv) of four cross validations by using multiple regression equations (8) and (9)

	Equation (8)			Equation (9)
	Coefficient	sd	cv	Coefficient	sd	cv
Silt (si)	1.305	0.086	6.6	1.533	0.111	7.2
Fine sand (fs)	0.396	0.044	11.1	−
Coarse sand (cs)	0.100	0.056	56.7	−
Sand (s)	−			0.314	0.043	13.8
Intercept	−12.323	4.514	36.6	−20.903	5.523	26.4

Abstract:

In abstract the below sentence has been changed from:

where si, fs, and cs are the percentage of silt, fine sand, and coarse sand respectively; ISSS and FAO/

USDA is the fractionation system; and its RMSE was 3.1%. For the case that only the total sand content (s)

is available instead of fine sand and coarse sand, the following equation was obtained:

si_FAO/USDA = 0.314s_iISSS + 1.533s_ISSS − 20.903 (RMSE = 3.7%)

to

where si, fs, and cs are the percentage of silt, fine sand, and coarse sand respectively; ISSS and FAO/

USDA is the fractionation system; and its RMSE was 3.1%. For the case that only the total sand content (s)

is available instead of fine sand and coarse sand, the following equation was obtained:

s_iFAO/USDA = 1.533s_iISSS + 0.314s_ISSS − 20.903 (RMSE = 3.7%)

The correct version of table 3 is placed below:The correct version of equation 9 is placed below:

$s{i}_{USDA/FAO}=1.533s{i}_{ISSS}+0.314s_{ISSS}-20.903$

The authors apologize for any inconvenience this might have caused.