condition mean min max 12pM Fe,Midday 12.6858 12.6858 12.6858 12pM Fe,Midnight 24.5634 23.9118 25.215 58pM Fe,Midday 35.955 35.955 35.955 58pM Fe,Midnight 12.15777142857143 0.0 19.0117 233pM Fe,Midnight 13.7986 13.1474 14.4428 1160pM Fe,Midday 21.5213 20.1384 23.4359 1160pM Fe,Midnight 10.825993333333333 6.5688 15.6639 High carbon,Dark 8.1007324 0.942476 21.3323 High carbon,Light 5.032794769230769 0.324127 15.4032 Low carbon,Dark 11.9174 11.9174 11.9174 Phloroglucinol 2.2537833333333332 1.12784 3.6462 Silicon starvation,12h 3.38335 3.38335 3.38335