condition mean min max Control 0.0006537499999999999 0.0 0.0039225 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.0 0.0 0.0 Potassium deficiency 0.0 0.0 0.0 Heat 0.004837333333333333 0.0 0.009674666666666666