condition mean min max 12pM Fe,Midday 367.989 367.989 367.989 12pM Fe,Midnight 259.939 239.374 280.504 58pM Fe,Midday 374.261 374.261 374.261 58pM Fe,Midnight 187.35185714285714 150.343 260.588 233pM Fe,Midnight 112.113 107.683 117.325 1160pM Fe,Midday 189.55471428571428 155.99 226.678 1160pM Fe,Midnight 64.33621666666667 47.2657 82.4829 High carbon,Dark 130.85086666666666 65.2779 199.859 High carbon,Light 145.82632307692307 25.8932 271.473 Low carbon,Dark 187.014 187.014 187.014 Phloroglucinol 164.49766666666667 156.645 179.293 Silicon starvation,12h 82.5818 82.5818 82.5818