condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.0031211666666666666 0.0 0.0093635 Potassium deficiency 0.0036147333333333333 0.0 0.0108442 Heat 0.0 0.0 0.0