condition mean min max 12pM Fe,Midday 153.852 153.852 153.852 12pM Fe,Midnight 96.92685 85.4617 108.392 58pM Fe,Midday 126.841 126.841 126.841 58pM Fe,Midnight 67.58162857142857 0.0 89.7421 233pM Fe,Midnight 55.11546666666667 53.2399 57.3346 1160pM Fe,Midday 106.4263 92.2932 124.068 1160pM Fe,Midnight 42.960525 33.9967 52.6219 High carbon,Dark 76.70836 32.3661 137.102 High carbon,Light 75.11403076923077 12.3676 147.433 Low carbon,Dark 78.3143 78.3143 78.3143 Phloroglucinol 62.948166666666665 48.0102 84.1922 Silicon starvation,12h 70.6623 70.6623 70.6623