condition mean min max 12pM Fe,Midday 70.8129 70.8129 70.8129 12pM Fe,Midnight 24.0857 21.1667 27.0047 58pM Fe,Midday 83.4353 83.4353 83.4353 58pM Fe,Midnight 103.1469 20.401 500.447 233pM Fe,Midnight 12.831766666666667 10.3994 15.6166 1160pM Fe,Midday 34.00548571428571 25.6508 40.0237 1160pM Fe,Midnight 15.566579166666667 9.24925 22.7224 High carbon,Dark 10.728094 0.0 36.4408 High carbon,Light 11.85267 0.0 52.0423 Low carbon,Dark 24.401 24.401 24.401 Phloroglucinol 18.196366666666666 16.5043 21.1332 Silicon starvation,12h 12.7893 12.7893 12.7893