condition mean min max 12pM Fe,Midday 33.7423 33.7423 33.7423 12pM Fe,Midnight 24.322400000000002 23.3937 25.2511 58pM Fe,Midday 25.097 25.097 25.097 58pM Fe,Midnight 23.64615714285714 14.7209 57.9465 233pM Fe,Midnight 13.047266666666667 12.1818 13.5208 1160pM Fe,Midday 23.32387142857143 19.5425 25.0374 1160pM Fe,Midnight 5.9311791666666664 2.75518 8.2124 High carbon,Dark 12.644780666666666 4.53164 20.3694 High carbon,Light 11.29855846153846 1.53542 23.7101 Low carbon,Dark 17.7469 17.7469 17.7469 Phloroglucinol 15.671366666666668 13.6034 19.2127 Silicon starvation,12h 38.2111 38.2111 38.2111