condition mean min max 12pM Fe,Midday 27.9239 27.9239 27.9239 12pM Fe,Midnight 36.14205 32.4969 39.7872 58pM Fe,Midday 18.6293 18.6293 18.6293 58pM Fe,Midnight 17.233571428571427 0.0 21.7533 233pM Fe,Midnight 19.86466666666667 18.3563 20.768 1160pM Fe,Midday 13.810142857142857 10.1057 17.0828 1160pM Fe,Midnight 8.215005833333333 5.01998 14.4605 High carbon,Dark 18.824817333333332 4.56626 34.1745 High carbon,Light 14.478257692307691 4.95785 25.2155 Low carbon,Dark 16.2055 16.2055 16.2055 Phloroglucinol 22.134366666666665 17.3738 27.7819 Silicon starvation,12h 22.1925 22.1925 22.1925