condition mean min max 12pM Fe,Midday 14.9742 14.9742 14.9742 12pM Fe,Midnight 10.81166 9.87112 11.7522 58pM Fe,Midday 10.0641 10.0641 10.0641 58pM Fe,Midnight 6.11339 0.0 7.76551 233pM Fe,Midnight 5.14487 4.30027 5.60546 1160pM Fe,Midday 9.589051428571429 7.76285 11.9073 1160pM Fe,Midnight 1.9725591666666666 1.43361 2.58557 High carbon,Dark 5.388461333333334 1.17101 8.42417 High carbon,Light 3.4050128461538463 0.344354 10.9659 Low carbon,Dark 4.38782 4.38782 4.38782 Phloroglucinol 5.068596666666667 4.35832 5.51907 Silicon starvation,12h 9.45096 9.45096 9.45096