condition mean min max 12pM Fe,Midday 26.4362 26.4362 26.4362 12pM Fe,Midnight 41.823499999999996 40.9465 42.7005 58pM Fe,Midday 25.8805 25.8805 25.8805 58pM Fe,Midnight 27.296514285714284 0.0 38.0387 233pM Fe,Midnight 22.275266666666667 20.5718 23.9949 1160pM Fe,Midday 19.632471428571428 16.199 23.9832 1160pM Fe,Midnight 13.098603333333333 7.54414 16.1621 High carbon,Dark 23.674226666666666 11.2677 37.6626 High carbon,Light 14.743751538461538 3.55064 34.1999 Low carbon,Dark 12.339 12.339 12.339 Phloroglucinol 92.37913333333334 87.4792 99.2522 Silicon starvation,12h 70.0865 70.0865 70.0865