condition mean min max 12pM Fe,Midday 16.2685 16.2685 16.2685 12pM Fe,Midnight 12.093250000000001 11.3355 12.851 58pM Fe,Midday 9.93264 9.93264 9.93264 58pM Fe,Midnight 7.744717142857143 0.0 10.681 233pM Fe,Midnight 6.339973333333334 5.47102 7.05935 1160pM Fe,Midday 8.435228571428572 6.50731 9.74876 1160pM Fe,Midnight 7.942370833333333 3.85875 11.5349 High carbon,Dark 8.161873333333332 2.61921 16.7863 High carbon,Light 5.079484538461538 0.766199 11.3455 Low carbon,Dark 7.402 7.402 7.402 Phloroglucinol 24.5988 20.9483 27.7702 Silicon starvation,12h 14.7175 14.7175 14.7175