condition mean min max 12pM Fe,Midday 195.607 195.607 195.607 12pM Fe,Midnight 146.689 142.397 150.981 58pM Fe,Midday 145.06 145.06 145.06 58pM Fe,Midnight 101.56931428571428 0.0 141.823 233pM Fe,Midnight 81.54273333333333 76.7956 85.8528 1160pM Fe,Midday 112.9103 99.8811 123.8 1160pM Fe,Midnight 75.275675 54.0247 98.8465 High carbon,Dark 107.97185333333333 59.9858 204.712 High carbon,Light 121.55201538461539 14.2575 214.647 Low carbon,Dark 124.115 124.115 124.115 Phloroglucinol 116.394 103.311 127.2 Silicon starvation,12h 129.314 129.314 129.314