condition mean min max 12pM Fe,Midday 33.0715 33.0715 33.0715 12pM Fe,Midnight 867.9245 834.031 901.818 58pM Fe,Midday 9.91172 9.91172 9.91172 58pM Fe,Midnight 1111.269857142857 876.863 1287.09 233pM Fe,Midnight 1545.3433333333335 1537.92 1556.41 1160pM Fe,Midday 113.85371428571429 100.996 158.14 1160pM Fe,Midnight 2261.74 1810.21 2763.12 High carbon,Dark 765.4351333333333 137.282 3106.74 High carbon,Light 2137.7793076923076 57.896 8693.69 Low carbon,Dark 160.786 160.786 160.786 Phloroglucinol 510.92566666666664 286.551 696.554 Silicon starvation,12h 404.254 404.254 404.254