condition mean min max 12pM Fe,Midday 45.3185 45.3185 45.3185 12pM Fe,Midnight 34.57 33.0221 36.1179 58pM Fe,Midday 31.8551 31.8551 31.8551 58pM Fe,Midnight 25.966385714285714 0.0 36.5493 233pM Fe,Midnight 29.076066666666666 23.892 34.0582 1160pM Fe,Midday 31.306142857142856 26.6817 35.7606 1160pM Fe,Midnight 22.06205 16.6961 25.8759 High carbon,Dark 44.25192 17.8801 74.512 High carbon,Light 39.60936923076923 14.9605 74.0548 Low carbon,Dark 26.1528 26.1528 26.1528 Phloroglucinol 39.66543333333333 32.9355 50.4973 Silicon starvation,12h 68.9201 68.9201 68.9201