condition mean min max 12pM Fe,Midday 31.9551 31.9551 31.9551 12pM Fe,Midnight 24.92 24.227 25.613 58pM Fe,Midday 31.4478 31.4478 31.4478 58pM Fe,Midnight 23.200085714285713 14.3972 29.3386 233pM Fe,Midnight 13.694866666666668 13.3831 13.9166 1160pM Fe,Midday 36.74507142857143 30.9629 43.1717 1160pM Fe,Midnight 27.78555666666667 8.85113 46.8979 High carbon,Dark 32.690146 6.74512 84.781 High carbon,Light 44.72704769230769 3.67072 124.874 Low carbon,Dark 22.4168 22.4168 22.4168 Phloroglucinol 150.49866666666668 100.413 208.63 Silicon starvation,12h 36.0525 36.0525 36.0525