Explaining the Soil Quality Using Different Assessment Techniques

Table 9

Summary of soil quality index values of lands in the Nitisols and Luvisols using different SQI evaluation techniques.

The land belongs to	SQI evaluation methods	SQI value	Quality of the soil	Reference
Nitisols	Common indicators	0.17	Very poor	Bajracharya et al. [24]; Nepal and Mandal [9]; Manisha et al. [7]
	Soil fertility/nutrient/index	1.42	Low	Khadka et al. [25]
	PCA
	(i) Normalized PCA-SQI	0.36	Very low	Tesfahunegn [23]; Li et al. [17]; Podwika et al. [12]
	(ii) PCA-SQI	0.42	Low	Mukherjee and Lal [26]; Li et al. [17]
Luvisols	Common indicators	0.30	Poor	Nepal and Mandal [9]; Manisha et al. [7]
	Soil fertility/nutrient/index	1.78	Medium	Khadka et al. [25]
	PCA
	(i) Normalized PCA-SQI	0.38	Low	Tesfahunegn [23]; Li et al. [17]; Podwika et al. [12]
	(ii) PCA	0.4	Low	Mukherjee and Lal [26]; Li et al. [17]