condition mean min max 12pM Fe,Midday 44.3766 44.3766 44.3766 12pM Fe,Midnight 29.101599999999998 25.6998 32.5034 58pM Fe,Midday 30.3998 30.3998 30.3998 58pM Fe,Midnight 20.283557142857145 0.0 27.1213 233pM Fe,Midnight 9.106963333333333 8.02346 10.4236 1160pM Fe,Midday 24.32502857142857 20.5155 28.044 1160pM Fe,Midnight 17.164908333333333 11.5938 24.7741 High carbon,Dark 23.710900666666667 8.31908 40.7286 High carbon,Light 21.78384 1.9391 35.2667 Low carbon,Dark 13.763 13.763 13.763 Phloroglucinol 70.47893333333333 42.9821 111.589 Silicon starvation,12h 19.3439 19.3439 19.3439