condition mean min max 12pM Fe,Midday 36.9018 36.9018 36.9018 12pM Fe,Midnight 28.1011 22.4647 33.7375 58pM Fe,Midday 27.9878 27.9878 27.9878 58pM Fe,Midnight 54.111714285714285 35.2525 144.155 233pM Fe,Midnight 40.56183333333333 37.6287 43.4882 1160pM Fe,Midday 31.181 27.0487 34.9981 1160pM Fe,Midnight 84.57485 27.9289 132.568 High carbon,Dark 60.264273333333335 14.8693 143.968 High carbon,Light 53.555483076923075 8.11688 99.2649 Low carbon,Dark 50.0799 50.0799 50.0799 Phloroglucinol 86.9999 61.0573 118.159 Silicon starvation,12h 213.421 213.421 213.421