condition mean min max 12pM Fe,Midday 13.6026 13.6026 13.6026 12pM Fe,Midnight 15.141300000000001 13.4447 16.8379 58pM Fe,Midday 14.6225 14.6225 14.6225 58pM Fe,Midnight 16.507628571428572 10.6826 39.9631 233pM Fe,Midnight 15.560966666666666 14.2121 16.4427 1160pM Fe,Midday 6.443127142857143 4.92628 7.82418 1160pM Fe,Midnight 9.442355000000001 6.55543 13.2034 High carbon,Dark 12.459932 1.78175 17.8324 High carbon,Light 8.386646615384615 0.0 17.8398 Low carbon,Dark 9.31643 9.31643 9.31643 Phloroglucinol 14.518733333333333 13.5565 15.1455 Silicon starvation,12h 15.6708 15.6708 15.6708