condition mean min max 12pM Fe,Midday 10.6385 10.6385 10.6385 12pM Fe,Midnight 14.073149999999998 11.0636 17.0827 58pM Fe,Midday 9.00417 9.00417 9.00417 58pM Fe,Midnight 8.666175714285714 0.0 12.3462 233pM Fe,Midnight 8.573609999999999 7.80995 9.65322 1160pM Fe,Midday 6.777665714285714 5.5672 7.9037 1160pM Fe,Midnight 4.2555875 2.7013 6.05164 High carbon,Dark 19.586735333333333 7.8162 46.8644 High carbon,Light 20.294455384615386 1.87967 51.3883 Low carbon,Dark 5.01078 5.01078 5.01078 Phloroglucinol 18.2178 14.329 25.7357 Silicon starvation,12h 6.8425 6.8425 6.8425