condition mean min max 12pM Fe,Midday 183.042 183.042 183.042 12pM Fe,Midnight 230.1625 229.691 230.634 58pM Fe,Midday 311.721 311.721 311.721 58pM Fe,Midnight 247.78214285714287 0.0 302.545 233pM Fe,Midnight 372.06966666666665 370.874 373.289 1160pM Fe,Midday 270.8837142857143 239.902 292.566 1160pM Fe,Midnight 350.1838333333333 271.479 419.699 High carbon,Dark 325.6224 216.417 472.528 High carbon,Light 310.0628461538462 268.069 371.062 Low carbon,Dark 473.311 473.311 473.311 Phloroglucinol 260.473 200.921 298.572 Silicon starvation,12h 562.081 562.081 562.081