condition mean min max 12pM Fe,Midday 30.4337 30.4337 30.4337 12pM Fe,Midnight 31.1247 30.4224 31.827 58pM Fe,Midday 22.0804 22.0804 22.0804 58pM Fe,Midnight 16.83985714285714 0.0 20.6454 233pM Fe,Midnight 16.0075 15.4356 16.3341 1160pM Fe,Midday 16.2422 14.9479 17.3576 1160pM Fe,Midnight 12.373608333333333 10.333 13.9131 High carbon,Dark 11.925904 4.41606 24.1225 High carbon,Light 11.925066923076923 2.5808 23.5172 Low carbon,Dark 11.2332 11.2332 11.2332 Phloroglucinol 37.7697 26.596 54.2773 Silicon starvation,12h 21.2011 21.2011 21.2011