condition mean min max 12pM Fe,Midday 70.4243 70.4243 70.4243 12pM Fe,Midnight 57.773700000000005 54.5551 60.9923 58pM Fe,Midday 53.9458 53.9458 53.9458 58pM Fe,Midnight 47.26082857142857 44.1955 52.271 233pM Fe,Midnight 31.203433333333333 31.1597 31.2845 1160pM Fe,Midday 41.40564285714286 40.2452 42.2251 1160pM Fe,Midnight 36.72855 34.225 40.2761 High carbon,Dark 29.30097 8.07435 45.6994 High carbon,Light 24.48549076923077 2.48953 52.0443 Low carbon,Dark 19.61 19.61 19.61 Phloroglucinol 22.620033333333332 18.9576 28.5349 Silicon starvation,12h 17.1539 17.1539 17.1539