condition mean min max 12pM Fe,Midday 40.0158 40.0158 40.0158 12pM Fe,Midnight 31.72705 28.68 34.7741 58pM Fe,Midday 36.863 36.863 36.863 58pM Fe,Midnight 42.70791428571429 11.0154 194.864 233pM Fe,Midnight 22.704833333333333 18.0484 25.1455 1160pM Fe,Midday 24.4129 18.1291 28.4504 1160pM Fe,Midnight 9.065820833333333 4.76138 16.5479 High carbon,Dark 33.57421333333333 7.6571 68.5036 High carbon,Light 34.46756692307692 2.03002 76.1495 Low carbon,Dark 50.7724 50.7724 50.7724 Phloroglucinol 7.971743333333334 3.43493 10.3968 Silicon starvation,12h 64.8725 64.8725 64.8725