condition mean min max 12pM Fe,Midday 47.4776 47.4776 47.4776 12pM Fe,Midnight 43.1019 42.6092 43.5946 58pM Fe,Midday 33.8043 33.8043 33.8043 58pM Fe,Midnight 31.05117142857143 0.0 41.509 233pM Fe,Midnight 20.7408 20.0853 21.3655 1160pM Fe,Midday 30.675685714285713 28.1538 33.0746 1160pM Fe,Midnight 27.284433333333332 14.0437 39.4708 High carbon,Dark 34.70773333333333 14.9848 57.237 High carbon,Light 26.84037923076923 4.88933 47.1692 Low carbon,Dark 31.0397 31.0397 31.0397 Phloroglucinol 92.88216666666666 82.7468 99.2374 Silicon starvation,12h 45.9934 45.9934 45.9934