condition mean min max 12pM Fe,Midday 2.1421 2.1421 2.1421 12pM Fe,Midnight 2.217645 1.46503 2.97026 58pM Fe,Midday 3.79086 3.79086 3.79086 58pM Fe,Midnight 40.58978142857143 3.33068 253.829 233pM Fe,Midnight 4.1664666666666665 3.98364 4.44677 1160pM Fe,Midday 1.8261914285714285 0.0 4.05756 1160pM Fe,Midnight 48.980450000000005 10.047 83.4469 High carbon,Dark 15.811095333333334 1.0728 45.5391 High carbon,Light 8.451114615384615 0.0 24.5864 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 7.096853333333333 2.70855 14.1077 Silicon starvation,12h 9.75029 9.75029 9.75029