condition mean min max 12pM Fe,Midday 44.8419 44.8419 44.8419 12pM Fe,Midnight 31.23205 30.776 31.6881 58pM Fe,Midday 33.0768 33.0768 33.0768 58pM Fe,Midnight 23.53312857142857 20.216 27.9172 233pM Fe,Midnight 20.283933333333334 19.6608 21.1828 1160pM Fe,Midday 26.4342 24.753 28.2469 1160pM Fe,Midnight 19.033308333333334 16.0999 23.3797 High carbon,Dark 20.733453333333333 15.0765 27.0921 High carbon,Light 21.514763076923078 2.97861 36.4507 Low carbon,Dark 11.7403 11.7403 11.7403 Phloroglucinol 18.3246 12.6607 26.2705 Silicon starvation,12h 24.0391 24.0391 24.0391