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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