condition mean min max Control 0.4310918888888889 0.164349 0.653929 Nitrogen deficiency 0.48709444444444444 0.0 0.7868856666666666 Phosphate deficiency 0.48012144444444443 0.0 0.8320003333333333 Potassium deficiency 0.2127501111111111 0.0 0.32602400000000004 Heat 0.9685635 0.275635 1.661492