condition mean min max 12pM Fe,Midday 20.8803 20.8803 20.8803 12pM Fe,Midnight 25.210900000000002 25.0789 25.3429 58pM Fe,Midday 30.7063 30.7063 30.7063 58pM Fe,Midnight 19.6575 0.0 31.8954 233pM Fe,Midnight 24.070066666666666 22.3442 26.3488 1160pM Fe,Midday 12.942842857142857 11.6983 13.7383 1160pM Fe,Midnight 13.803804166666666 4.78379 24.7327 High carbon,Dark 26.247798666666668 1.16528 42.8026 High carbon,Light 14.541648307692308 0.199184 40.0652 Low carbon,Dark 13.8586 13.8586 13.8586 Phloroglucinol 8.34995 6.87935 9.41704 Silicon starvation,12h 26.9396 26.9396 26.9396