condition mean min max 12pM Fe,Midday 16.9899 16.9899 16.9899 12pM Fe,Midnight 26.4309 23.9659 28.8959 58pM Fe,Midday 18.322 18.322 18.322 58pM Fe,Midnight 31.823457142857144 23.8994 62.9133 233pM Fe,Midnight 22.205466666666666 21.6024 22.5238 1160pM Fe,Midday 7.801412857142857 6.08796 8.90706 1160pM Fe,Midnight 16.2075125 7.36535 31.8012 High carbon,Dark 17.684932 4.48798 29.9171 High carbon,Light 11.232956923076923 7.91117 17.7518 Low carbon,Dark 15.8171 15.8171 15.8171 Phloroglucinol 6.179803333333333 3.54877 9.2843 Silicon starvation,12h 19.4341 19.4341 19.4341