condition mean min max 12pM Fe,Midday 38.2061 38.2061 38.2061 12pM Fe,Midnight 26.054850000000002 24.9071 27.2026 58pM Fe,Midday 25.7333 25.7333 25.7333 58pM Fe,Midnight 19.437885714285713 0.0 27.7407 233pM Fe,Midnight 18.189799999999998 17.4013 19.3169 1160pM Fe,Midday 30.362571428571428 27.5992 33.514 1160pM Fe,Midnight 9.1785975 4.57823 13.3207 High carbon,Dark 17.774176 2.98706 31.2233 High carbon,Light 24.70633076923077 1.67854 46.598 Low carbon,Dark 22.2389 22.2389 22.2389 Phloroglucinol 7.019426666666667 4.86698 10.2954 Silicon starvation,12h 54.1829 54.1829 54.1829