condition mean min max 12pM Fe,Midday 61.9423 61.9423 61.9423 12pM Fe,Midnight 56.23905 55.1062 57.3719 58pM Fe,Midday 45.3891 45.3891 45.3891 58pM Fe,Midnight 39.777142857142856 0.0 60.4486 233pM Fe,Midnight 25.3157 22.7987 28.3291 1160pM Fe,Midday 43.0143 38.7134 51.6773 1160pM Fe,Midnight 32.240741666666665 23.6528 42.4357 High carbon,Dark 28.57328 16.7228 53.1198 High carbon,Light 20.765005384615385 6.55518 34.4428 Low carbon,Dark 21.2317 21.2317 21.2317 Phloroglucinol 53.418933333333335 48.9514 60.6644 Silicon starvation,12h 16.7956 16.7956 16.7956