condition mean min max 12pM Fe,Midday 17.5738 17.5738 17.5738 12pM Fe,Midnight 18.26065 17.8248 18.6965 58pM Fe,Midday 8.83094 8.83094 8.83094 58pM Fe,Midnight 22.341914285714285 11.9026 77.1266 233pM Fe,Midnight 15.152166666666666 14.5253 15.7981 1160pM Fe,Midday 6.97945 5.66719 10.0668 1160pM Fe,Midnight 4.499811666666667 2.54825 5.87321 High carbon,Dark 9.659524 2.71681 17.0503 High carbon,Light 3.2757613076923078 0.304351 7.31113 Low carbon,Dark 11.6343 11.6343 11.6343 Phloroglucinol 10.805166666666667 6.93362 16.7032 Silicon starvation,12h 20.4917 20.4917 20.4917