condition mean min max 12pM Fe,Midday 3.56591 3.56591 3.56591 12pM Fe,Midnight 3.5614999999999997 2.77521 4.34779 58pM Fe,Midday 2.17606 2.17606 2.17606 58pM Fe,Midnight 2.3634185714285714 0.0 3.27607 233pM Fe,Midnight 2.5147033333333333 1.91443 3.11429 1160pM Fe,Midday 2.1408285714285715 1.66114 2.75432 1160pM Fe,Midnight 1.6626975 0.83134 2.42741 High carbon,Dark 3.9329131333333334 0.879857 10.161 High carbon,Light 4.565310538461539 0.0 11.4548 Low carbon,Dark 1.59847 1.59847 1.59847 Phloroglucinol 6.298643333333334 5.27779 7.16578 Silicon starvation,12h 3.14828 3.14828 3.14828