condition mean min max 12pM Fe,Midday 32.3699 32.3699 32.3699 12pM Fe,Midnight 20.02715 18.8588 21.1955 58pM Fe,Midday 26.5207 26.5207 26.5207 58pM Fe,Midnight 14.0808 0.0 18.1384 233pM Fe,Midnight 11.906233333333333 10.6523 14.1859 1160pM Fe,Midday 14.412928571428571 12.111 16.0273 1160pM Fe,Midnight 47.15851083333333 2.31783 82.5701 High carbon,Dark 23.294440666666667 5.06707 47.367 High carbon,Light 29.8647 2.8232 64.0061 Low carbon,Dark 25.9752 25.9752 25.9752 Phloroglucinol 33.16556666666666 27.5459 37.6452 Silicon starvation,12h 64.8021 64.8021 64.8021