condition mean min max 12pM Fe,Midday 38.6974 38.6974 38.6974 12pM Fe,Midnight 32.7474 32.1256 33.3692 58pM Fe,Midday 32.875 32.875 32.875 58pM Fe,Midnight 28.615971428571427 23.2058 51.4578 233pM Fe,Midnight 18.851566666666667 18.2698 19.2916 1160pM Fe,Midday 28.4533 26.8272 29.659 1160pM Fe,Midnight 15.019241666666666 12.8294 17.6165 High carbon,Dark 18.198285333333335 8.25928 27.8322 High carbon,Light 13.523687692307693 1.48909 28.8428 Low carbon,Dark 13.4075 13.4075 13.4075 Phloroglucinol 26.454033333333335 17.99 35.9307 Silicon starvation,12h 16.8838 16.8838 16.8838