condition mean min max 12pM Fe,Midday 53.5717 53.5717 53.5717 12pM Fe,Midnight 49.6865 45.7638 53.6092 58pM Fe,Midday 49.8364 49.8364 49.8364 58pM Fe,Midnight 44.696914285714286 33.8772 85.018 233pM Fe,Midnight 23.125233333333334 22.866 23.4983 1160pM Fe,Midday 28.501942857142858 19.8021 37.0542 1160pM Fe,Midnight 15.692058333333334 10.9533 21.2223 High carbon,Dark 24.8362532 0.568578 67.4685 High carbon,Light 13.99935076923077 3.48472 36.9316 Low carbon,Dark 32.2559 32.2559 32.2559 Phloroglucinol 3.655816666666667 2.92234 4.46044 Silicon starvation,12h 9.38913 9.38913 9.38913