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Table 1 Physico-chemical properties of soil and Geophysical positioning of the experimental sites

From: Crop-ecology and nutritional variability influence growth and secondary metabolites of Stevia rebaudiana Bertoni

Parameter

CSIR-IHBT

RHRS

PAU

2010

2011

2010

2011

2010

2011

Soil type

Silty clay

Silty clay

Loamy sand

Loamy sand

Sandy loam

Sandy loam

pH (1:2.0)

6.40

5.70

7.50

7.42

7.82

7.74

Organic carbon (%)

1.98

1.36

0.70

0.75

0.26

0.30

Available nitrogen (g kg−1 soil)

0.136

0.147

0.118

0.116

0.54

0.61

Available phosphorus (g kg−1 soil)

0.027

0.025

0.006

0.007

0.009

0.008

Available potassium (g kg−1 soil)

0.207

0.205

0.080

0.083

0.107

0.109

Altitude (m from msl)

1393

1393

431

431

247

247

Longitude

32° 6′ 47″ N and 76° 33′ 46″ E

32° 6′ 47″ N and 76° 33′ 46″ E

32° 16′ N and 75° 51′

32° 16′ N and 75° 51′

30° 56′ N and 75° 52′ E

30° 56′ N and 75° 52′ E