condition mean min max 12pM Fe,Midday 37.3922 37.3922 37.3922 12pM Fe,Midnight 34.8715 32.1832 37.5598 58pM Fe,Midday 20.9145 20.9145 20.9145 58pM Fe,Midnight 21.989142857142856 0.0 28.5835 233pM Fe,Midnight 22.236133333333335 19.9942 23.9994 1160pM Fe,Midday 19.514385714285716 17.1497 22.763 1160pM Fe,Midnight 10.566874166666667 6.45499 17.388 High carbon,Dark 22.724348666666668 3.25553 37.3909 High carbon,Light 14.164016153846154 6.60816 29.008 Low carbon,Dark 18.6644 18.6644 18.6644 Phloroglucinol 20.564066666666665 19.3538 21.7552 Silicon starvation,12h 33.3647 33.3647 33.3647