condition mean min max 12pM Fe,Midday 28.3074 28.3074 28.3074 12pM Fe,Midnight 30.8373 24.477 37.1976 58pM Fe,Midday 29.8321 29.8321 29.8321 58pM Fe,Midnight 31.37432857142857 14.1737 113.066 233pM Fe,Midnight 12.996933333333333 10.102 14.5902 1160pM Fe,Midday 18.478942857142858 16.1273 21.2154 1160pM Fe,Midnight 10.12078 6.86354 12.6335 High carbon,Dark 12.439055333333334 1.51232 39.7363 High carbon,Light 11.68661076923077 2.27135 30.5265 Low carbon,Dark 14.9883 14.9883 14.9883 Phloroglucinol 9.583123333333333 5.38124 17.3356 Silicon starvation,12h 11.7628 11.7628 11.7628