condition mean min max 12pM Fe,Midday 46.4238 46.4238 46.4238 12pM Fe,Midnight 44.602450000000005 42.7548 46.4501 58pM Fe,Midday 36.2544 36.2544 36.2544 58pM Fe,Midnight 43.5437 37.1683 62.5114 233pM Fe,Midnight 32.64096666666667 30.9534 34.8823 1160pM Fe,Midday 27.488014285714286 25.263 28.9793 1160pM Fe,Midnight 24.811108333333333 22.1187 27.3784 High carbon,Dark 37.451753333333336 25.0183 46.0538 High carbon,Light 35.927638461538464 17.2674 54.6346 Low carbon,Dark 25.1456 25.1456 25.1456 Phloroglucinol 43.58096666666667 31.9553 59.5431 Silicon starvation,12h 65.5747 65.5747 65.5747