condition mean min max 12pM Fe,Midday 35.3866 35.3866 35.3866 12pM Fe,Midnight 43.6436 42.9561 44.3311 58pM Fe,Midday 28.3588 28.3588 28.3588 58pM Fe,Midnight 29.981642857142855 0.0 37.448 233pM Fe,Midnight 23.8969 22.6651 26.1138 1160pM Fe,Midday 24.69152857142857 22.6082 26.5459 1160pM Fe,Midnight 20.139216666666666 17.7732 23.4184 High carbon,Dark 19.992184 3.99185 35.7523 High carbon,Light 12.511133923076923 0.767631 21.0958 Low carbon,Dark 16.8822 16.8822 16.8822 Phloroglucinol 24.5117 19.0966 31.7877 Silicon starvation,12h 19.5965 19.5965 19.5965