condition mean min max 12pM Fe,Midday 10.8823 10.8823 10.8823 12pM Fe,Midnight 10.7563 10.0314 11.4812 58pM Fe,Midday 8.23363 8.23363 8.23363 58pM Fe,Midnight 14.312697142857143 5.99005 56.0653 233pM Fe,Midnight 6.0468166666666665 5.79196 6.4825 1160pM Fe,Midday 6.674067142857143 4.86523 8.80572 1160pM Fe,Midnight 1.3009738333333334 0.799721 1.94382 High carbon,Dark 4.135062133333333 0.257913 9.00231 High carbon,Light 3.3969723076923075 0.535928 8.04303 Low carbon,Dark 3.07536 3.07536 3.07536 Phloroglucinol 2.72391 1.68007 4.29804 Silicon starvation,12h 9.42213 9.42213 9.42213