condition mean min max 12pM Fe,Midday 38.3304 38.3304 38.3304 12pM Fe,Midnight 29.0158 27.3763 30.6553 58pM Fe,Midday 29.5098 29.5098 29.5098 58pM Fe,Midnight 22.17257142857143 0.0 29.0752 233pM Fe,Midnight 34.7859 34.0118 35.945 1160pM Fe,Midday 28.58394285714286 24.9272 31.66 1160pM Fe,Midnight 20.251166666666666 16.1084 26.3151 High carbon,Dark 27.188 18.324 39.6035 High carbon,Light 29.74088076923077 5.23565 45.3482 Low carbon,Dark 28.3247 28.3247 28.3247 Phloroglucinol 45.0022 38.5082 49.3813 Silicon starvation,12h 39.8732 39.8732 39.8732