condition mean min max 12pM Fe,Midday 40.0345 40.0345 40.0345 12pM Fe,Midnight 36.0546 34.2327 37.8765 58pM Fe,Midday 27.1587 27.1587 27.1587 58pM Fe,Midnight 18.900428571428574 0.0 25.0975 233pM Fe,Midnight 14.272666666666668 12.4661 16.2691 1160pM Fe,Midday 24.967685714285714 20.5143 29.2955 1160pM Fe,Midnight 9.659038333333333 7.37636 11.6903 High carbon,Dark 22.886292 4.69473 46.8752 High carbon,Light 20.690576923076925 2.09501 34.0587 Low carbon,Dark 14.4566 14.4566 14.4566 Phloroglucinol 48.89913333333333 47.2465 51.5671 Silicon starvation,12h 33.6614 33.6614 33.6614