condition mean min max 12pM Fe,Midday 37.9739 37.9739 37.9739 12pM Fe,Midnight 25.485300000000002 25.2578 25.7128 58pM Fe,Midday 30.4625 30.4625 30.4625 58pM Fe,Midnight 21.592100000000002 15.6578 37.0857 233pM Fe,Midnight 13.4325 12.9469 14.3567 1160pM Fe,Midday 23.994342857142858 22.2688 26.6014 1160pM Fe,Midnight 11.843001666666666 6.72153 15.1921 High carbon,Dark 13.259019333333333 4.79505 23.9648 High carbon,Light 9.749688461538462 1.96534 20.1635 Low carbon,Dark 9.66278 9.66278 9.66278 Phloroglucinol 25.716033333333332 22.3572 28.4928 Silicon starvation,12h 19.5285 19.5285 19.5285