condition mean min max 12pM Fe,Midday 30.1704 30.1704 30.1704 12pM Fe,Midnight 35.331100000000006 34.3434 36.3188 58pM Fe,Midday 21.5764 21.5764 21.5764 58pM Fe,Midnight 22.313914285714286 0.0 30.2811 233pM Fe,Midnight 34.8417 32.8168 36.3803 1160pM Fe,Midday 16.83032857142857 14.7645 18.7877 1160pM Fe,Midnight 20.889791666666667 10.8846 41.0226 High carbon,Dark 29.87406 18.9242 60.1557 High carbon,Light 23.677016153846154 1.11968 45.2804 Low carbon,Dark 26.5276 26.5276 26.5276 Phloroglucinol 21.678933333333333 16.0695 32.5221 Silicon starvation,12h 54.7902 54.7902 54.7902