condition mean min max 12pM Fe,Midday 33.3984 33.3984 33.3984 12pM Fe,Midnight 29.68155 29.4826 29.8805 58pM Fe,Midday 30.2397 30.2397 30.2397 58pM Fe,Midnight 15.691314285714286 0.0 22.9459 233pM Fe,Midnight 9.456833333333332 7.8687 12.0369 1160pM Fe,Midday 12.601457142857143 10.7408 15.0915 1160pM Fe,Midnight 6.53714 4.1902 11.0774 High carbon,Dark 12.788574666666667 1.00067 32.6467 High carbon,Light 12.962703538461538 0.634696 24.515 Low carbon,Dark 15.7765 15.7765 15.7765 Phloroglucinol 4.98443 3.16358 6.87922 Silicon starvation,12h 1.76769 1.76769 1.76769