condition mean min max 12pM Fe,Midday 31.0367 31.0367 31.0367 12pM Fe,Midnight 29.339100000000002 27.8061 30.8721 58pM Fe,Midday 27.5555 27.5555 27.5555 58pM Fe,Midnight 24.710485714285713 20.7868 37.2741 233pM Fe,Midnight 21.028866666666666 19.1095 22.2672 1160pM Fe,Midday 23.434471428571428 21.1382 26.2938 1160pM Fe,Midnight 14.590491666666667 9.7768 18.5465 High carbon,Dark 23.225750666666666 7.50642 41.4119 High carbon,Light 19.244433076923077 2.09878 33.1531 Low carbon,Dark 27.7725 27.7725 27.7725 Phloroglucinol 13.100933333333334 10.1425 17.8592 Silicon starvation,12h 33.6474 33.6474 33.6474