condition mean min max 12pM Fe,Midday 53.4476 53.4476 53.4476 12pM Fe,Midnight 34.715450000000004 34.5725 34.8584 58pM Fe,Midday 32.5038 32.5038 32.5038 58pM Fe,Midnight 20.53737142857143 0.0 26.5081 233pM Fe,Midnight 20.870566666666665 18.8732 22.5613 1160pM Fe,Midday 27.387942857142857 26.1045 28.5571 1160pM Fe,Midnight 19.214713333333332 9.52136 26.7269 High carbon,Dark 22.745600666666668 8.54257 34.4944 High carbon,Light 22.067112 0.865026 55.859 Low carbon,Dark 15.2212 15.2212 15.2212 Phloroglucinol 50.5933 39.5915 58.7563 Silicon starvation,12h 44.7268 44.7268 44.7268