condition mean min max 12pM Fe,Midday 39.7138 39.7138 39.7138 12pM Fe,Midnight 40.78415 38.7626 42.8057 58pM Fe,Midday 27.7426 27.7426 27.7426 58pM Fe,Midnight 37.18552857142857 0.0 49.9559 233pM Fe,Midnight 19.714266666666667 18.2396 21.2774 1160pM Fe,Midday 17.38394285714286 13.183 22.6325 1160pM Fe,Midnight 24.038491666666665 15.2547 31.0112 High carbon,Dark 20.281673333333334 2.2935 33.6871 High carbon,Light 8.520665384615384 1.57883 15.0765 Low carbon,Dark 10.712 10.712 10.712 Phloroglucinol 20.835933333333333 10.7805 39.3258 Silicon starvation,12h 28.1763 28.1763 28.1763