condition mean min max 12pM Fe,Midday 5.88176 5.88176 5.88176 12pM Fe,Midnight 8.82 7.118 10.522 58pM Fe,Midday 4.22862 4.22862 4.22862 58pM Fe,Midnight 6.515857142857143 0.0 9.07508 233pM Fe,Midnight 3.14426 2.75974 3.36996 1160pM Fe,Midday 7.874075714285714 5.08597 9.78628 1160pM Fe,Midnight 4.616910833333334 3.01481 6.56379 High carbon,Dark 6.010652 0.59049 11.5304 High carbon,Light 3.134699846153846 0.525038 8.87259 Low carbon,Dark 4.18147 4.18147 4.18147 Phloroglucinol 24.80623 4.30014 60.3136 Silicon starvation,12h 16.5894 16.5894 16.5894