condition mean min max 12pM Fe,Midday 11.4955 11.4955 11.4955 12pM Fe,Midnight 7.25897 6.83136 7.68658 58pM Fe,Midday 7.538 7.538 7.538 58pM Fe,Midnight 4.902037142857143 0.0 6.82221 233pM Fe,Midnight 3.67542 3.18444 4.39014 1160pM Fe,Midday 6.721971428571429 5.20429 7.58229 1160pM Fe,Midnight 3.3422595833333335 0.694615 5.99753 High carbon,Dark 4.437652666666667 1.25451 8.89332 High carbon,Light 4.726191615384615 0.120849 11.4005 Low carbon,Dark 4.00281 4.00281 4.00281 Phloroglucinol 7.602893333333333 4.75938 10.7069 Silicon starvation,12h 10.6285 10.6285 10.6285