condition mean min max 12pM Fe,Midday 134.985 134.985 134.985 12pM Fe,Midnight 238.586 229.737 247.435 58pM Fe,Midday 101.737 101.737 101.737 58pM Fe,Midnight 202.07101428571428 97.4321 243.818 233pM Fe,Midnight 326.4016666666667 325.107 328.082 1160pM Fe,Midday 146.82157142857142 128.707 163.777 1160pM Fe,Midnight 225.22508333333334 186.595 290.412 High carbon,Dark 210.97018666666668 31.494 393.471 High carbon,Light 119.27511538461539 49.3747 254.336 Low carbon,Dark 223.577 223.577 223.577 Phloroglucinol 82.72273333333334 73.765 97.3805 Silicon starvation,12h 129.589 129.589 129.589