condition mean min max 12pM Fe,Midday 54.4954 54.4954 54.4954 12pM Fe,Midnight 47.79385 43.9456 51.6421 58pM Fe,Midday 40.2515 40.2515 40.2515 58pM Fe,Midnight 30.8509 0.0 41.2264 233pM Fe,Midnight 34.075900000000004 33.219 34.7978 1160pM Fe,Midday 36.856457142857145 33.6204 43.6726 1160pM Fe,Midnight 24.45285 20.1788 29.7031 High carbon,Dark 32.36568 17.7405 47.3029 High carbon,Light 27.531435384615385 3.80636 59.2498 Low carbon,Dark 30.7684 30.7684 30.7684 Phloroglucinol 38.196933333333334 32.4092 48.6122 Silicon starvation,12h 74.2309 74.2309 74.2309