condition mean min max 12pM Fe,Midday 13.3508 13.3508 13.3508 12pM Fe,Midnight 27.121650000000002 26.7114 27.5319 58pM Fe,Midday 10.9139 10.9139 10.9139 58pM Fe,Midnight 22.921985714285714 20.585 25.459 233pM Fe,Midnight 21.517533333333333 20.7113 22.4853 1160pM Fe,Midday 8.846891428571428 6.71501 11.6533 1160pM Fe,Midnight 11.3135825 8.41928 14.8804 High carbon,Dark 17.392733333333332 5.98463 34.5867 High carbon,Light 7.051169230769231 1.28522 15.5292 Low carbon,Dark 14.5365 14.5365 14.5365 Phloroglucinol 14.995066666666666 12.9948 16.4373 Silicon starvation,12h 21.4004 21.4004 21.4004