condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 9.73046 7.31942 12.1415 58pM Fe,Midday 0.573921 0.573921 0.573921 58pM Fe,Midnight 9.62407 0.0 22.4651 233pM Fe,Midnight 7.569016666666666 6.86689 8.24246 1160pM Fe,Midday 7.294454285714285 3.11329 24.5708 1160pM Fe,Midnight 20.557241666666666 11.0797 29.2429 High carbon,Dark 19.326688 2.21048 83.9813 High carbon,Light 125.11085692307692 2.29107 556.154 Low carbon,Dark 0.526984 0.526984 0.526984 Phloroglucinol 19.612466666666666 11.5834 26.9558 Silicon starvation,12h 5.72011 5.72011 5.72011