condition mean min max 12pM Fe,Midday 41.3411 41.3411 41.3411 12pM Fe,Midnight 47.55285000000001 44.7244 50.3813 58pM Fe,Midday 42.2272 42.2272 42.2272 58pM Fe,Midnight 33.17592857142857 0.0 46.7486 233pM Fe,Midnight 48.2281 47.1266 49.2457 1160pM Fe,Midday 40.635242857142856 37.1645 45.8292 1160pM Fe,Midnight 29.479475 24.2462 33.4596 High carbon,Dark 56.42558666666667 37.2059 84.3349 High carbon,Light 55.15143076923077 33.8105 85.7502 Low carbon,Dark 68.0795 68.0795 68.0795 Phloroglucinol 35.12246666666667 34.5985 35.609 Silicon starvation,12h 92.8243 92.8243 92.8243