condition mean min max 12pM Fe,Midday 69.4385 69.4385 69.4385 12pM Fe,Midnight 48.4353 45.0083 51.8623 58pM Fe,Midday 51.6675 51.6675 51.6675 58pM Fe,Midnight 31.476542857142856 0.0 42.9429 233pM Fe,Midnight 30.457766666666668 29.9356 30.8606 1160pM Fe,Midday 40.8254 33.5825 45.3044 1160pM Fe,Midnight 26.001566666666665 16.8297 34.2279 High carbon,Dark 45.04403333333333 25.3169 68.0603 High carbon,Light 41.23615230769231 7.06098 85.0804 Low carbon,Dark 31.799 31.799 31.799 Phloroglucinol 38.905966666666664 31.0517 45.1581 Silicon starvation,12h 71.2946 71.2946 71.2946