condition mean min max 12pM Fe,Midday 50.9473 50.9473 50.9473 12pM Fe,Midnight 48.6883 48.4691 48.9075 58pM Fe,Midday 43.732 43.732 43.732 58pM Fe,Midnight 53.25038571428571 30.164 154.795 233pM Fe,Midnight 37.607033333333334 35.7961 40.3548 1160pM Fe,Midday 33.3287 27.7665 40.4428 1160pM Fe,Midnight 12.654680833333334 9.38947 18.1221 High carbon,Dark 25.038085333333335 7.93678 57.8765 High carbon,Light 17.803731538461538 2.56353 32.9707 Low carbon,Dark 33.6103 33.6103 33.6103 Phloroglucinol 34.005633333333336 20.874 54.439 Silicon starvation,12h 57.3554 57.3554 57.3554