condition mean min max 12pM Fe,Midday 14.0493 14.0493 14.0493 12pM Fe,Midnight 13.4359 12.4588 14.413 58pM Fe,Midday 20.7192 20.7192 20.7192 58pM Fe,Midnight 12.662942857142857 0.0 19.671 233pM Fe,Midnight 5.58238 5.19847 6.30777 1160pM Fe,Midday 8.504712857142858 7.14437 9.25599 1160pM Fe,Midnight 9.377015833333333 5.16192 12.384 High carbon,Dark 11.521604666666667 4.18364 24.3598 High carbon,Light 8.104573846153846 2.05173 21.2668 Low carbon,Dark 10.6184 10.6184 10.6184 Phloroglucinol 3.7543033333333335 3.16732 4.16298 Silicon starvation,12h 7.43594 7.43594 7.43594