condition mean min max 12pM Fe,Midday 13.6903 13.6903 13.6903 12pM Fe,Midnight 5.238455 5.08476 5.39215 58pM Fe,Midday 13.9525 13.9525 13.9525 58pM Fe,Midnight 4.6967 0.0 6.17691 233pM Fe,Midnight 10.7279 10.3051 11.1451 1160pM Fe,Midday 7.830864285714286 6.74725 10.0663 1160pM Fe,Midnight 8.035851666666666 2.84987 16.4527 High carbon,Dark 20.62788 13.9542 29.9961 High carbon,Light 21.372555384615385 1.54322 42.7449 Low carbon,Dark 16.6846 16.6846 16.6846 Phloroglucinol 5.722243333333333 3.09116 7.41178 Silicon starvation,12h 19.6124 19.6124 19.6124