Response of Potato (Solanum tuberosum L.) to NPS Fertilizer Rates and Inter-Row Spacing in Kechi District, South Western Ethiopia

Table 1

Major soil characteristics of the experimental site.

Soil characteristics	Values	Rating	Reference
Particle size
Sand (%)	20	—
Silt (%)	44	—
Clay (%)	36	—
Textural class		Silt clay loam
Soil pH	5.6	Moderately acidic (5.6–6.5)	[24]
Organic carbon (%)	2.79	Low (2–4%)	[25]
Total, N (%)	0.28	Medium (0.21–0.5%)	[25]
Available P (mg/kg)	19.12	Low (15–30)	[24]
Available K (mg/kg)	365.51	Optimum (190–600)	[24]
Available S (mg/kg)	4.82	Very low (<10)	[24]