condition mean min max Control 8.285287777777778 5.82183 14.7777 Nitrogen deficiency 11.312038888888889 8.86405 12.757733333333334 Phosphate deficiency 10.16996 8.450420000000001 12.114479999999999 Potassium deficiency 10.468326666666668 7.706933333333334 15.695500000000001 Heat 5.963335000000001 5.55008 6.37659