condition mean min max 12pM Fe,Midday 36.0645 36.0645 36.0645 12pM Fe,Midnight 38.01475 35.1368 40.8927 58pM Fe,Midday 31.6876 31.6876 31.6876 58pM Fe,Midnight 24.88212857142857 0.0 35.0877 233pM Fe,Midnight 24.733866666666668 24.1974 25.1802 1160pM Fe,Midday 24.829057142857142 20.9551 29.2751 1160pM Fe,Midnight 30.43325 13.3215 47.5392 High carbon,Dark 20.248852666666668 3.93179 35.9777 High carbon,Light 17.151499 0.532536 44.4644 Low carbon,Dark 21.3851 21.3851 21.3851 Phloroglucinol 33.8691 27.3296 42.4013 Silicon starvation,12h 24.4795 24.4795 24.4795