condition mean min max Control 17.903344444444446 12.2612 32.981 Nitrogen deficiency 39.944988888888886 16.6553 61.574000000000005 Phosphate deficiency 28.624922222222224 16.1097 35.6014 Potassium deficiency 18.000988888888887 13.2417 26.6607 Heat 18.105983333333334 13.983033333333333 22.228933333333334