condition mean min max 12pM Fe,Midday 28.5663 28.5663 28.5663 12pM Fe,Midnight 30.98975 27.889 34.0905 58pM Fe,Midday 33.0146 33.0146 33.0146 58pM Fe,Midnight 31.329142857142855 0.0 47.5896 233pM Fe,Midnight 35.85223333333334 34.6936 37.2826 1160pM Fe,Midday 32.641642857142855 25.6511 38.0702 1160pM Fe,Midnight 23.443616666666667 10.9595 32.2801 High carbon,Dark 79.30350666666666 27.4845 211.294 High carbon,Light 98.0639923076923 23.3384 262.97 Low carbon,Dark 81.4705 81.4705 81.4705 Phloroglucinol 78.5785 63.395 86.9448 Silicon starvation,12h 113.11 113.11 113.11