condition mean min max Control 6.608277777777778e-11 0.0 3.964966666666667e-10 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 1.64532e-09 0.0 3.29064e-09