condition mean min max 12pM Fe,Midday 26.6355 26.6355 26.6355 12pM Fe,Midnight 26.048450000000003 25.3819 26.715 58pM Fe,Midday 20.4259 20.4259 20.4259 58pM Fe,Midnight 24.226257142857143 18.9588 42.0825 233pM Fe,Midnight 21.033666666666665 19.0797 22.9364 1160pM Fe,Midday 18.10054285714286 13.9933 21.8271 1160pM Fe,Midnight 9.582826666666667 6.10637 14.9547 High carbon,Dark 14.999112 5.44111 24.7444 High carbon,Light 11.05514 3.32124 18.6344 Low carbon,Dark 14.0425 14.0425 14.0425 Phloroglucinol 13.8008 11.5257 17.3403 Silicon starvation,12h 36.3041 36.3041 36.3041