condition mean min max 12pM Fe,Midday 82.4738 82.4738 82.4738 12pM Fe,Midnight 64.1284 59.7129 68.5439 58pM Fe,Midday 42.4927 42.4927 42.4927 58pM Fe,Midnight 36.4614 0.0 48.6972 233pM Fe,Midnight 25.895266666666668 23.729 27.9566 1160pM Fe,Midday 42.1855 37.6917 48.1224 1160pM Fe,Midnight 42.685008333333336 12.822 75.7441 High carbon,Dark 27.376026666666668 4.35758 49.6445 High carbon,Light 28.949294615384616 4.09733 62.5604 Low carbon,Dark 23.7498 23.7498 23.7498 Phloroglucinol 59.49693333333333 41.2133 70.1821 Silicon starvation,12h 55.8348 55.8348 55.8348