condition mean min max 12pM Fe,Midday 34.9381 34.9381 34.9381 12pM Fe,Midnight 28.435000000000002 25.9859 30.8841 58pM Fe,Midday 26.02 26.02 26.02 58pM Fe,Midnight 20.8096 0.0 30.6305 233pM Fe,Midnight 17.100933333333334 15.6698 18.7703 1160pM Fe,Midday 32.34437142857143 28.5991 35.8909 1160pM Fe,Midnight 8.47255 5.41323 12.6981 High carbon,Dark 14.007442666666668 4.76124 21.0453 High carbon,Light 20.61748153846154 3.7709 45.6802 Low carbon,Dark 9.93529 9.93529 9.93529 Phloroglucinol 7.497906666666666 5.83816 10.308 Silicon starvation,12h 23.5231 23.5231 23.5231