condition mean min max Control 7.01049 5.54526 9.28705 Nitrogen deficiency 6.1713144444444445 5.437086666666667 6.93408 Phosphate deficiency 12.12289111111111 7.32034 15.1775 Potassium deficiency 6.93618 6.23132 7.94807 Heat 8.982635 8.41935 9.54592