condition mean min max 12pM Fe,Midday 4.09375 4.09375 4.09375 12pM Fe,Midnight 35.52405 33.4505 37.5976 58pM Fe,Midday 5.00228 5.00228 5.00228 58pM Fe,Midnight 43.64222857142857 35.0703 69.2987 233pM Fe,Midnight 48.93306666666667 45.423 51.3582 1160pM Fe,Midday 2.604257142857143 1.09165 3.3392 1160pM Fe,Midnight 32.063808333333334 25.3493 37.3003 High carbon,Dark 36.31708666666667 10.8922 110.611 High carbon,Light 14.370205384615385 2.06575 26.6999 Low carbon,Dark 23.1243 23.1243 23.1243 Phloroglucinol 7.503416666666667 5.29954 10.4922 Silicon starvation,12h 33.7182 33.7182 33.7182