condition mean min max Control 3.071695 1.9050399999999998 4.52597 Nitrogen deficiency 4.950908888888889 4.879013333333333 5.021716666666666 Phosphate deficiency 4.7448644444444446 3.84259 6.113683333333333 Potassium deficiency 4.854304444444445 3.46523 7.62022 Heat 1.8621349999999999 1.4936099999999999 2.23066