condition mean min max 12pM Fe,Midday 10.9346 10.9346 10.9346 12pM Fe,Midnight 20.368949999999998 20.0476 20.6903 58pM Fe,Midday 16.5557 16.5557 16.5557 58pM Fe,Midnight 13.645514285714285 0.0 17.6315 233pM Fe,Midnight 11.3434 10.946 11.6988 1160pM Fe,Midday 10.319484285714285 8.55315 11.7698 1160pM Fe,Midnight 8.783742499999999 6.53822 11.3479 High carbon,Dark 14.147008666666666 3.41937 38.0285 High carbon,Light 7.562953076923077 1.90736 19.0415 Low carbon,Dark 16.9786 16.9786 16.9786 Phloroglucinol 78.14186666666666 64.154 92.487 Silicon starvation,12h 54.4721 54.4721 54.4721