condition mean min max 12pM Fe,Midday 51.0606 51.0606 51.0606 12pM Fe,Midnight 44.486599999999996 38.7376 50.2356 58pM Fe,Midday 26.4789 26.4789 26.4789 58pM Fe,Midnight 29.7071 0.0 37.1693 233pM Fe,Midnight 27.616133333333334 25.685 28.7529 1160pM Fe,Midday 28.8899 26.4946 31.6404 1160pM Fe,Midnight 21.605900000000002 17.9908 25.2691 High carbon,Dark 27.042379333333333 6.96509 42.2662 High carbon,Light 24.40005923076923 7.8846 38.3613 Low carbon,Dark 26.8637 26.8637 26.8637 Phloroglucinol 22.298266666666667 17.9649 29.0847 Silicon starvation,12h 41.9109 41.9109 41.9109