condition mean min max 12pM Fe,Midday 30.9712 30.9712 30.9712 12pM Fe,Midnight 22.97725 22.5299 23.4246 58pM Fe,Midday 18.4359 18.4359 18.4359 58pM Fe,Midnight 17.49932857142857 0.0 24.8077 233pM Fe,Midnight 17.3844 15.3591 19.6103 1160pM Fe,Midday 22.246042857142857 16.2174 26.5138 1160pM Fe,Midnight 8.832410833333332 5.23421 12.9518 High carbon,Dark 30.82778666666667 10.8157 53.5826 High carbon,Light 22.605464615384616 1.98907 43.7266 Low carbon,Dark 31.1112 31.1112 31.1112 Phloroglucinol 32.48663333333333 28.0063 36.3446 Silicon starvation,12h 51.9037 51.9037 51.9037