condition mean min max Control 31.3823 31.3823 31.3823 Cold 29.0133 29.0133 29.0133 Heat 18.2367 18.2367 18.2367 Drought 32.8435 32.8435 32.8435 Nitrogen deficiency 23.331 23.331 23.331 Salt 37.0538 37.0538 37.0538