Table 1 Soil properties of the experimental field.

From: An exploratory method to determine the plant characteristics affecting the final yield of Echium amoenum Fisch. & C.A. Mey. under fertilizers application and plant densities

Soil texture

Total nitrogen (ppm)

Available phosphorous (ppm)

Available potassium (ppm)

pH

EC (dS m−1)

Silty loam

15.7

13.4

417

7.3

1.1

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