condition mean min max Control 0.0 0.0 0.0 Nitrogen deficiency 0.0 0.0 0.0 Phosphate deficiency 0.03636922222222222 0.0 0.10910766666666666 Potassium deficiency 0.03511092222222222 0.0 0.10533276666666667 Heat 0.0 0.0 0.0