condition mean min max 12pM Fe,Midday 49.4246 49.4246 49.4246 12pM Fe,Midnight 30.67745 27.8835 33.4714 58pM Fe,Midday 33.1572 33.1572 33.1572 58pM Fe,Midnight 17.96522857142857 0.0 23.8583 233pM Fe,Midnight 14.470600000000001 12.2152 18.106 1160pM Fe,Midday 21.122885714285715 19.3653 23.1168 1160pM Fe,Midnight 12.091386666666667 9.83644 15.6846 High carbon,Dark 18.5223 11.5574 30.5155 High carbon,Light 18.112371538461538 3.42317 32.9481 Low carbon,Dark 11.5483 11.5483 11.5483 Phloroglucinol 19.5689 13.4792 28.8312 Silicon starvation,12h 42.4573 42.4573 42.4573