condition mean min max 12pM Fe,Midday 36.948 36.948 36.948 12pM Fe,Midnight 43.77445 43.6985 43.8504 58pM Fe,Midday 26.9239 26.9239 26.9239 58pM Fe,Midnight 25.299185714285713 0.0 39.8907 233pM Fe,Midnight 8.76378 7.63465 9.63312 1160pM Fe,Midday 14.326275714285714 9.68513 19.4081 1160pM Fe,Midnight 12.766596666666667 5.99246 21.578 High carbon,Dark 27.933419333333333 5.58667 46.715 High carbon,Light 15.536913846153846 0.0 37.5322 Low carbon,Dark 18.8358 18.8358 18.8358 Phloroglucinol 9.025586666666667 8.24445 10.4414 Silicon starvation,12h 10.305 10.305 10.305