condition mean min max 12pM Fe,Midday 10.3391 10.3391 10.3391 12pM Fe,Midnight 9.674109999999999 9.12022 10.228 58pM Fe,Midday 10.2921 10.2921 10.2921 58pM Fe,Midnight 5.940954285714286 0.0 7.86925 233pM Fe,Midnight 15.838666666666667 14.7749 16.7754 1160pM Fe,Midday 6.091862857142857 4.64628 7.09832 1160pM Fe,Midnight 5.453284 0.667946 14.657 High carbon,Dark 12.441376666666667 5.12088 18.5683 High carbon,Light 10.735598384615384 0.388489 21.0067 Low carbon,Dark 9.90039 9.90039 9.90039 Phloroglucinol 3.1778966666666664 2.10105 4.91691 Silicon starvation,12h 20.6417 20.6417 20.6417