condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 6.833637777777778 0.0 20.500913333333333 Potassium deficiency 0.4698166666666667 0.0 1.40945 Heat 0.0 0.0 0.0