condition mean min max 12pM Fe,Midday 20.1205 20.1205 20.1205 12pM Fe,Midnight 128.62 118.54 138.7 58pM Fe,Midday 23.3989 23.3989 23.3989 58pM Fe,Midnight 177.50842857142857 0.0 281.307 233pM Fe,Midnight 219.10733333333334 208.114 233.685 1160pM Fe,Midday 22.2132 13.2495 49.9932 1160pM Fe,Midnight 103.68826666666666 88.1665 126.299 High carbon,Dark 130.57279333333332 76.4539 201.36 High carbon,Light 42.90075384615385 20.2465 92.6485 Low carbon,Dark 62.5876 62.5876 62.5876 Phloroglucinol 78.0797 54.1533 113.112 Silicon starvation,12h 78.8271 78.8271 78.8271