condition mean min max 12pM Fe,Midday 90.3573 90.3573 90.3573 12pM Fe,Midnight 46.679500000000004 44.3967 48.9623 58pM Fe,Midday 61.0163 61.0163 61.0163 58pM Fe,Midnight 28.121771428571428 0.0 37.5888 233pM Fe,Midnight 19.331400000000002 18.3624 20.1749 1160pM Fe,Midday 52.344857142857144 46.0569 58.9692 1160pM Fe,Midnight 12.831718333333333 7.73578 18.4582 High carbon,Dark 33.66386 15.0748 67.5106 High carbon,Light 30.627336153846155 7.92524 55.4345 Low carbon,Dark 17.7738 17.7738 17.7738 Phloroglucinol 344.561 316.597 398.523 Silicon starvation,12h 28.4111 28.4111 28.4111