condition mean min max 12pM Fe,Midday 22.5882 22.5882 22.5882 12pM Fe,Midnight 55.980199999999996 55.3276 56.6328 58pM Fe,Midday 15.029 15.029 15.029 58pM Fe,Midnight 115.4066 83.8564 188.163 233pM Fe,Midnight 114.43366666666667 109.048 119.834 1160pM Fe,Midday 16.4971 10.9262 31.9549 1160pM Fe,Midnight 163.69775 135.454 179.66 High carbon,Dark 78.90329333333334 31.7555 138.848 High carbon,Light 21.002757692307693 9.89615 43.3564 Low carbon,Dark 24.4699 24.4699 24.4699 Phloroglucinol 13.4468 11.9559 15.9858 Silicon starvation,12h 33.3752 33.3752 33.3752