condition mean min max 12pM Fe,Midday 69.4542 69.4542 69.4542 12pM Fe,Midnight 57.92725 50.0282 65.8263 58pM Fe,Midday 49.2522 49.2522 49.2522 58pM Fe,Midnight 36.03492857142857 0.0 50.7208 233pM Fe,Midnight 35.96703333333333 33.6845 37.5581 1160pM Fe,Midday 35.891485714285714 32.8564 40.8665 1160pM Fe,Midnight 21.726066666666668 14.4556 33.8117 High carbon,Dark 32.395426666666665 10.7512 47.0412 High carbon,Light 28.16625 5.21982 57.4182 Low carbon,Dark 28.4152 28.4152 28.4152 Phloroglucinol 42.16193333333333 38.7615 45.6825 Silicon starvation,12h 42.4601 42.4601 42.4601