condition mean min max 12pM Fe,Midday 4.11968 4.11968 4.11968 12pM Fe,Midnight 39.0646 33.3276 44.8016 58pM Fe,Midday 38.5359 38.5359 38.5359 58pM Fe,Midnight 51.13862857142857 41.8426 59.0581 233pM Fe,Midnight 96.7701 95.769 98.5194 1160pM Fe,Midday 0.8602421428571428 0.477765 2.3264 1160pM Fe,Midnight 121.71470833333333 27.2535 260.111 High carbon,Dark 182.7928 30.4085 381.451 High carbon,Light 143.48949607692307 0.797209 469.263 Low carbon,Dark 87.2175 87.2175 87.2175 Phloroglucinol 22.82939 5.13467 33.0393 Silicon starvation,12h 86.9947 86.9947 86.9947