condition mean min max 12pM Fe,Midday 4.10436 4.10436 4.10436 12pM Fe,Midnight 12.39235 11.8489 12.9358 58pM Fe,Midday 5.64429 5.64429 5.64429 58pM Fe,Midnight 6.994914285714286 0.0 10.9291 233pM Fe,Midnight 13.064766666666667 10.8925 14.1888 1160pM Fe,Midday 2.0985528571428573 1.26649 4.24779 1160pM Fe,Midnight 6.5175075 2.76525 12.0835 High carbon,Dark 9.847318666666666 4.66788 18.1231 High carbon,Light 5.582318538461538 0.0 13.0094 Low carbon,Dark 7.30461 7.30461 7.30461 Phloroglucinol 2.69776 2.09723 3.12064 Silicon starvation,12h 6.54673 6.54673 6.54673