condition mean min max 12pM Fe,Midday 33.4425 33.4425 33.4425 12pM Fe,Midnight 23.77835 22.311 25.2457 58pM Fe,Midday 20.4721 20.4721 20.4721 58pM Fe,Midnight 11.677328571428571 0.0 15.9687 233pM Fe,Midnight 14.5555 14.3421 14.9158 1160pM Fe,Midday 16.82842857142857 14.9753 18.9528 1160pM Fe,Midnight 3.614510833333333 1.76455 4.72716 High carbon,Dark 9.492251333333334 1.50502 17.2305 High carbon,Light 5.6701953846153845 1.23824 12.375 Low carbon,Dark 12.6458 12.6458 12.6458 Phloroglucinol 7.180583333333333 5.71793 8.3113 Silicon starvation,12h 24.8917 24.8917 24.8917