condition mean min max 12pM Fe,Midday 9.67849 9.67849 9.67849 12pM Fe,Midnight 22.221 13.8038 30.6382 58pM Fe,Midday 14.4364 14.4364 14.4364 58pM Fe,Midnight 8.840282857142856 0.0 15.6937 233pM Fe,Midnight 27.817 24.863 29.484 1160pM Fe,Midday 37.777142857142856 31.8668 41.8406 1160pM Fe,Midnight 9.192134166666667 1.86959 20.6836 High carbon,Dark 24.973495333333332 3.61769 74.1029 High carbon,Light 105.84701615384616 3.25592 286.278 Low carbon,Dark 14.8285 14.8285 14.8285 Phloroglucinol 8.43623 3.01438 12.9372 Silicon starvation,12h 38.0753 38.0753 38.0753