condition mean min max 12pM Fe,Midday 58.841 58.841 58.841 12pM Fe,Midnight 45.529799999999994 44.2816 46.778 58pM Fe,Midday 56.9603 56.9603 56.9603 58pM Fe,Midnight 47.620400000000004 34.5855 119.186 233pM Fe,Midnight 23.8269 23.2812 24.3169 1160pM Fe,Midday 45.770157142857144 37.1755 52.7953 1160pM Fe,Midnight 31.416208333333334 10.9384 44.7689 High carbon,Dark 48.081631333333334 6.14692 100.932 High carbon,Light 44.99881307692308 1.57905 77.3676 Low carbon,Dark 62.3809 62.3809 62.3809 Phloroglucinol 9.427966666666666 7.03811 12.4491 Silicon starvation,12h 42.4445 42.4445 42.4445