condition mean min max 12pM Fe,Midday 62.0523 62.0523 62.0523 12pM Fe,Midnight 56.11395 52.6325 59.5954 58pM Fe,Midday 48.2868 48.2868 48.2868 58pM Fe,Midnight 58.48547142857143 35.658 156.445 233pM Fe,Midnight 32.94406666666667 29.0517 36.225 1160pM Fe,Midday 36.619057142857145 31.9559 38.5619 1160pM Fe,Midnight 17.8216 14.9921 21.5096 High carbon,Dark 33.834666666666664 14.6002 48.9944 High carbon,Light 34.92066384615384 5.18171 67.9712 Low carbon,Dark 44.3378 44.3378 44.3378 Phloroglucinol 51.43613333333334 43.2959 61.7654 Silicon starvation,12h 48.5768 48.5768 48.5768