condition mean min max 12pM Fe,Midday 19.5078 19.5078 19.5078 12pM Fe,Midnight 11.33063 9.90326 12.758 58pM Fe,Midday 20.4646 20.4646 20.4646 58pM Fe,Midnight 7.103095714285714 0.0 10.8806 233pM Fe,Midnight 9.384086666666667 8.40441 10.8964 1160pM Fe,Midday 15.801542857142856 13.9972 17.3201 1160pM Fe,Midnight 5.226335833333334 2.7703 7.63322 High carbon,Dark 9.578625333333333 2.54999 15.9925 High carbon,Light 8.714338461538462 1.65756 15.6283 Low carbon,Dark 9.47716 9.47716 9.47716 Phloroglucinol 8.746466666666667 6.4271 10.2763 Silicon starvation,12h 12.0147 12.0147 12.0147