condition mean min max 12pM Fe,Midday 54.988 54.988 54.988 12pM Fe,Midnight 43.7568 42.3844 45.1292 58pM Fe,Midday 38.3523 38.3523 38.3523 58pM Fe,Midnight 61.4533 28.7262 229.97 233pM Fe,Midnight 40.1877 39.3001 41.7807 1160pM Fe,Midday 35.72612857142857 31.311 45.7853 1160pM Fe,Midnight 31.566375 18.39 54.1368 High carbon,Dark 33.34032066666667 5.12661 44.3213 High carbon,Light 31.65396923076923 19.7947 52.2987 Low carbon,Dark 30.4853 30.4853 30.4853 Phloroglucinol 34.52663333333333 22.0857 50.6857 Silicon starvation,12h 62.9409 62.9409 62.9409