condition mean min max 12pM Fe,Midday 30.2258 30.2258 30.2258 12pM Fe,Midnight 25.038600000000002 21.8111 28.2661 58pM Fe,Midday 22.3786 22.3786 22.3786 58pM Fe,Midnight 15.2329 0.0 19.3882 233pM Fe,Midnight 13.588733333333334 12.8736 14.191 1160pM Fe,Midday 18.855357142857144 15.0376 24.0111 1160pM Fe,Midnight 8.040175833333333 6.09096 9.66653 High carbon,Dark 14.00821 4.04607 21.7995 High carbon,Light 9.616407692307693 1.67116 25.1663 Low carbon,Dark 10.6919 10.6919 10.6919 Phloroglucinol 28.797666666666668 26.0268 32.6289 Silicon starvation,12h 19.8883 19.8883 19.8883