condition mean min max 12pM Fe,Midday 35.6228 35.6228 35.6228 12pM Fe,Midnight 28.05265 22.8232 33.2821 58pM Fe,Midday 22.2334 22.2334 22.2334 58pM Fe,Midnight 22.7056 0.0 29.1781 233pM Fe,Midnight 28.168400000000002 25.7502 30.5605 1160pM Fe,Midday 25.378542857142858 23.4579 27.2629 1160pM Fe,Midnight 13.764495833333333 8.91601 20.7534 High carbon,Dark 17.488865999999998 4.03284 27.2323 High carbon,Light 11.216307692307693 1.12348 18.5705 Low carbon,Dark 11.3704 11.3704 11.3704 Phloroglucinol 15.7486 12.9548 21.0194 Silicon starvation,12h 35.6504 35.6504 35.6504