condition mean min max 12pM Fe,Midday 28.5389 28.5389 28.5389 12pM Fe,Midnight 46.92495 42.5857 51.2642 58pM Fe,Midday 14.9219 14.9219 14.9219 58pM Fe,Midnight 94.64602857142857 25.2126 461.145 233pM Fe,Midnight 67.53226666666666 59.1389 73.9811 1160pM Fe,Midday 8.61215 6.3185 11.1103 1160pM Fe,Midnight 31.053958333333334 14.3408 57.6409 High carbon,Dark 47.53910333333333 8.22405 97.3975 High carbon,Light 27.14201076923077 1.7572 67.2049 Low carbon,Dark 44.2667 44.2667 44.2667 Phloroglucinol 19.328766666666667 14.6317 22.1435 Silicon starvation,12h 63.4748 63.4748 63.4748