condition mean min max 12pM Fe,Midday 25.6473 25.6473 25.6473 12pM Fe,Midnight 22.7569 20.155 25.3588 58pM Fe,Midday 27.8283 27.8283 27.8283 58pM Fe,Midnight 13.94137142857143 0.0 18.6752 233pM Fe,Midnight 22.2654 20.7186 24.3957 1160pM Fe,Midday 20.21934285714286 18.5679 22.724 1160pM Fe,Midnight 20.040933333333335 17.2606 22.874 High carbon,Dark 23.750866666666667 13.3739 33.8438 High carbon,Light 26.53075923076923 4.87325 44.9562 Low carbon,Dark 17.3493 17.3493 17.3493 Phloroglucinol 31.814799999999998 22.4512 36.9237 Silicon starvation,12h 36.7784 36.7784 36.7784