condition mean min max 12pM Fe,Midday 129.271 129.271 129.271 12pM Fe,Midnight 85.6117 76.1808 95.0426 58pM Fe,Midday 95.3208 95.3208 95.3208 58pM Fe,Midnight 54.63762857142857 0.0 80.7621 233pM Fe,Midnight 41.03006666666666 32.7407 47.413 1160pM Fe,Midday 70.28364285714285 59.6164 83.725 1160pM Fe,Midnight 39.917316666666665 18.7442 63.2232 High carbon,Dark 65.49521333333334 12.3316 165.616 High carbon,Light 72.20235923076923 5.07357 179.58 Low carbon,Dark 50.7646 50.7646 50.7646 Phloroglucinol 103.90913333333333 78.3044 120.366 Silicon starvation,12h 213.298 213.298 213.298