condition mean min max 12pM Fe,Midday 27.3492 27.3492 27.3492 12pM Fe,Midnight 34.894800000000004 34.2754 35.5142 58pM Fe,Midday 23.0226 23.0226 23.0226 58pM Fe,Midnight 30.001471428571428 20.7439 52.5529 233pM Fe,Midnight 28.681433333333334 27.9881 29.6002 1160pM Fe,Midday 22.361814285714285 19.2772 25.4635 1160pM Fe,Midnight 15.241591666666666 13.7748 16.6746 High carbon,Dark 22.83454 10.0493 38.9621 High carbon,Light 17.004845384615386 2.0738 29.9595 Low carbon,Dark 19.6984 19.6984 19.6984 Phloroglucinol 33.23603333333334 29.4584 35.703 Silicon starvation,12h 37.3461 37.3461 37.3461