condition mean min max 12pM Fe,Midday 56.5461 56.5461 56.5461 12pM Fe,Midnight 46.801950000000005 44.5991 49.0048 58pM Fe,Midday 39.5435 39.5435 39.5435 58pM Fe,Midnight 24.3829 0.0 32.8953 233pM Fe,Midnight 18.377233333333333 18.0917 18.8644 1160pM Fe,Midday 27.5594 25.412 30.1575 1160pM Fe,Midnight 22.733166666666666 18.7439 26.8981 High carbon,Dark 24.406487333333335 3.85471 43.9498 High carbon,Light 23.330595384615386 5.11757 40.5306 Low carbon,Dark 19.7603 19.7603 19.7603 Phloroglucinol 17.6482 13.1446 21.5408 Silicon starvation,12h 16.0865 16.0865 16.0865