condition mean min max 12pM Fe,Midday 59.8564 59.8564 59.8564 12pM Fe,Midnight 47.19555 44.8942 49.4969 58pM Fe,Midday 37.5561 37.5561 37.5561 58pM Fe,Midnight 67.35381428571428 28.351 257.917 233pM Fe,Midnight 26.787399999999998 22.4877 29.8605 1160pM Fe,Midday 35.28317142857143 33.8667 37.3456 1160pM Fe,Midnight 30.090558333333334 14.2386 43.5413 High carbon,Dark 34.90905333333333 14.5489 55.2491 High carbon,Light 33.33382230769231 6.83409 68.7148 Low carbon,Dark 25.9372 25.9372 25.9372 Phloroglucinol 61.6699 49.0805 82.0547 Silicon starvation,12h 63.3656 63.3656 63.3656