condition mean min max 12pM Fe,Midday 58.4776 58.4776 58.4776 12pM Fe,Midnight 55.398399999999995 51.4989 59.2979 58pM Fe,Midday 73.1291 73.1291 73.1291 58pM Fe,Midnight 27.332228571428573 0.0 37.2241 233pM Fe,Midnight 20.798766666666666 18.7353 23.6501 1160pM Fe,Midday 32.88464285714286 28.1229 36.8169 1160pM Fe,Midnight 18.690566666666665 15.8815 22.1133 High carbon,Dark 20.222582666666668 1.60722 56.8742 High carbon,Light 18.836123846153846 6.35651 57.2495 Low carbon,Dark 26.6397 26.6397 26.6397 Phloroglucinol 11.01257 6.46029 18.8841 Silicon starvation,12h 11.8279 11.8279 11.8279