condition mean min max 12pM Fe,Midday 40.1788 40.1788 40.1788 12pM Fe,Midnight 49.877250000000004 46.7587 52.9958 58pM Fe,Midday 44.8633 44.8633 44.8633 58pM Fe,Midnight 34.00742857142857 0.0 45.1018 233pM Fe,Midnight 35.88863333333333 34.395 37.5332 1160pM Fe,Midday 28.3098 18.3672 34.8023 1160pM Fe,Midnight 27.119316666666666 21.6693 33.8094 High carbon,Dark 22.404512 6.05784 47.8169 High carbon,Light 17.876238461538463 2.73263 36.1071 Low carbon,Dark 23.3175 23.3175 23.3175 Phloroglucinol 28.6226 24.1922 36.4985 Silicon starvation,12h 47.3539 47.3539 47.3539