condition mean min max 12pM Fe,Midday 222.484 222.484 222.484 12pM Fe,Midnight 218.1275 215.095 221.16 58pM Fe,Midday 230.024 230.024 230.024 58pM Fe,Midnight 142.43942857142858 129.536 153.479 233pM Fe,Midnight 145.35866666666666 142.2 148.064 1160pM Fe,Midday 353.68228571428574 340.22 393.885 1160pM Fe,Midnight 115.70611666666667 91.4443 156.503 High carbon,Dark 188.59539333333333 56.3225 362.274 High carbon,Light 171.07423076923078 32.5387 267.415 Low carbon,Dark 183.707 183.707 183.707 Phloroglucinol 101.69036666666666 81.3389 138.006 Silicon starvation,12h 74.5488 74.5488 74.5488