condition mean min max 12pM Fe,Midday 7.78703 7.78703 7.78703 12pM Fe,Midnight 28.5275 26.8708 30.1842 58pM Fe,Midday 10.0223 10.0223 10.0223 58pM Fe,Midnight 16.155957142857144 0.0 24.2157 233pM Fe,Midnight 8.411603333333334 7.46015 9.25819 1160pM Fe,Midday 10.804508571428572 8.36799 12.8039 1160pM Fe,Midnight 7.1604375 4.07056 10.9548 High carbon,Dark 11.353310666666667 0.0 28.951 High carbon,Light 8.125815923076923 0.833515 39.4954 Low carbon,Dark 13.804 13.804 13.804 Phloroglucinol 3.346286666666667 1.77438 5.37067 Silicon starvation,12h 21.3473 21.3473 21.3473