condition mean min max 12pM Fe,Midday 28.7928 28.7928 28.7928 12pM Fe,Midnight 30.91205 30.7313 31.0928 58pM Fe,Midday 27.4885 27.4885 27.4885 58pM Fe,Midnight 19.799442857142857 0.0 26.971 233pM Fe,Midnight 17.2035 15.3524 19.8187 1160pM Fe,Midday 20.414814285714286 16.9725 25.4585 1160pM Fe,Midnight 5.0336982500000005 0.651409 16.2728 High carbon,Dark 16.855480666666665 4.95635 28.2786 High carbon,Light 10.322061538461538 0.0 22.6871 Low carbon,Dark 18.4686 18.4686 18.4686 Phloroglucinol 11.651769999999999 9.58071 14.4543 Silicon starvation,12h 21.9866 21.9866 21.9866