condition mean min max 12pM Fe,Midday 0.765902 0.765902 0.765902 12pM Fe,Midnight 25.305 23.8952 26.7148 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 16.382185714285715 0.0 22.7903 233pM Fe,Midnight 19.632533333333335 18.5164 21.2256 1160pM Fe,Midday 0.7273561428571429 0.0 1.76523 1160pM Fe,Midnight 25.868225 14.3981 34.706 High carbon,Dark 11.343756666666666 2.21481 25.8916 High carbon,Light 6.467763307692308 0.901793 17.3448 Low carbon,Dark 10.5788 10.5788 10.5788 Phloroglucinol 9.095419999999999 6.71908 10.6528 Silicon starvation,12h 10.8944 10.8944 10.8944