condition mean min max 12pM Fe,Midday 44.4821 44.4821 44.4821 12pM Fe,Midnight 49.18325 46.4866 51.8799 58pM Fe,Midday 33.8421 33.8421 33.8421 58pM Fe,Midnight 29.181085714285715 0.0 38.0275 233pM Fe,Midnight 16.982533333333333 16.7507 17.1096 1160pM Fe,Midday 23.52962857142857 20.4404 25.8264 1160pM Fe,Midnight 15.165415 9.04188 21.056 High carbon,Dark 49.30561733333333 7.02005 76.2303 High carbon,Light 29.458875384615386 3.42636 62.1258 Low carbon,Dark 36.4786 36.4786 36.4786 Phloroglucinol 20.765866666666668 10.7759 38.2361 Silicon starvation,12h 32.1683 32.1683 32.1683