condition mean min max 12pM Fe,Midday 49.6025 49.6025 49.6025 12pM Fe,Midnight 43.1593 37.677 48.6416 58pM Fe,Midday 41.3088 41.3088 41.3088 58pM Fe,Midnight 31.434714285714286 0.0 41.2092 233pM Fe,Midnight 30.6189 28.7709 32.6389 1160pM Fe,Midday 33.0272 31.3172 34.7616 1160pM Fe,Midnight 20.992075 12.2447 27.172 High carbon,Dark 24.804073333333335 14.3708 45.8525 High carbon,Light 26.108811538461538 4.00807 63.0628 Low carbon,Dark 45.8326 45.8326 45.8326 Phloroglucinol 179.86366666666666 146.499 222.299 Silicon starvation,12h 24.0719 24.0719 24.0719