condition mean min max 12pM Fe,Midday 14.1223 14.1223 14.1223 12pM Fe,Midnight 23.377699999999997 20.6485 26.1069 58pM Fe,Midday 13.4858 13.4858 13.4858 58pM Fe,Midnight 15.325728571428572 0.0 19.6755 233pM Fe,Midnight 13.482966666666666 11.8636 14.8904 1160pM Fe,Midday 5.820824285714286 4.54038 6.96545 1160pM Fe,Midnight 7.310884166666667 5.26699 8.44205 High carbon,Dark 11.911913333333333 4.43498 21.4878 High carbon,Light 7.248393076923077 1.70464 19.2569 Low carbon,Dark 8.17955 8.17955 8.17955 Phloroglucinol 8.873416666666667 7.18466 12.0984 Silicon starvation,12h 48.8473 48.8473 48.8473