condition mean min max 12pM Fe,Midday 30.2134 30.2134 30.2134 12pM Fe,Midnight 22.57115 22.4724 22.6699 58pM Fe,Midday 19.7262 19.7262 19.7262 58pM Fe,Midnight 12.778471428571429 0.0 15.6305 233pM Fe,Midnight 10.230643333333333 9.57673 10.8999 1160pM Fe,Midday 16.917157142857143 14.862 20.3916 1160pM Fe,Midnight 5.2561333333333335 3.5975 6.99624 High carbon,Dark 10.695194 4.79694 20.822 High carbon,Light 7.6572478461538465 0.575632 15.1965 Low carbon,Dark 7.94427 7.94427 7.94427 Phloroglucinol 16.903233333333333 13.19 21.1382 Silicon starvation,12h 23.2544 23.2544 23.2544