condition mean min max 12pM Fe,Midday 28.1002 28.1002 28.1002 12pM Fe,Midnight 24.709400000000002 23.6187 25.8001 58pM Fe,Midday 20.8906 20.8906 20.8906 58pM Fe,Midnight 18.34092857142857 0.0 22.4482 233pM Fe,Midnight 13.161833333333334 11.9863 14.1365 1160pM Fe,Midday 19.94467142857143 17.0759 24.0196 1160pM Fe,Midnight 16.690358333333332 10.0526 22.2819 High carbon,Dark 17.168128666666668 7.34405 34.9298 High carbon,Light 9.18850076923077 1.73809 16.107 Low carbon,Dark 14.1781 14.1781 14.1781 Phloroglucinol 49.36046666666667 36.0207 59.0076 Silicon starvation,12h 30.4432 30.4432 30.4432