condition mean min max 12pM Fe,Midday 39.6351 39.6351 39.6351 12pM Fe,Midnight 36.62535 35.553 37.6977 58pM Fe,Midday 41.768 41.768 41.768 58pM Fe,Midnight 50.735699999999994 20.1296 212.408 233pM Fe,Midnight 21.170666666666666 19.7545 22.823 1160pM Fe,Midday 27.843385714285713 24.5524 30.4654 1160pM Fe,Midnight 12.0738 10.2523 14.4692 High carbon,Dark 20.265524666666668 8.3123 33.6688 High carbon,Light 14.251856153846154 2.51456 28.645 Low carbon,Dark 15.2114 15.2114 15.2114 Phloroglucinol 23.6491 19.6435 31.21 Silicon starvation,12h 37.0564 37.0564 37.0564