condition mean min max 12pM Fe,Midday 43.066 43.066 43.066 12pM Fe,Midnight 30.02535 27.9191 32.1316 58pM Fe,Midday 18.3111 18.3111 18.3111 58pM Fe,Midnight 23.80702857142857 0.0 33.0462 233pM Fe,Midnight 12.33947 9.91581 14.215 1160pM Fe,Midday 16.16692857142857 12.4609 22.6593 1160pM Fe,Midnight 30.5719 10.9347 44.6063 High carbon,Dark 17.430433333333333 1.95317 43.4383 High carbon,Light 17.643553846153846 1.31707 37.4871 Low carbon,Dark 9.08839 9.08839 9.08839 Phloroglucinol 39.55113333333333 31.6272 51.9791 Silicon starvation,12h 15.9112 15.9112 15.9112