condition mean min max Control 2.535817222222222 1.4848333333333332 3.6253 Nitrogen deficiency 4.269342222222223 3.95528 4.8604433333333334 Phosphate deficiency 2.8170077777777776 2.21244 3.7128699999999997 Potassium deficiency 3.9223477777777775 2.26389 6.80061 Heat 2.990695 2.70662 3.27477