condition mean min max 12pM Fe,Midday 32.9639 32.9639 32.9639 12pM Fe,Midnight 32.0993 31.3225 32.8761 58pM Fe,Midday 33.4714 33.4714 33.4714 58pM Fe,Midnight 20.319657142857142 0.0 29.8788 233pM Fe,Midnight 44.71243333333334 42.5433 47.2837 1160pM Fe,Midday 11.770494285714285 8.86229 17.623 1160pM Fe,Midnight 15.833743333333333 2.17226 41.5601 High carbon,Dark 56.95580666666667 19.1458 91.748 High carbon,Light 29.89621076923077 1.46401 58.855 Low carbon,Dark 31.6121 31.6121 31.6121 Phloroglucinol 4.77592 4.23279 5.12469 Silicon starvation,12h 57.8035 57.8035 57.8035