condition mean min max 12pM Fe,Midday 63.8984 63.8984 63.8984 12pM Fe,Midnight 86.93805 76.2161 97.66 58pM Fe,Midday 99.0032 99.0032 99.0032 58pM Fe,Midnight 51.06172857142857 38.4495 92.7143 233pM Fe,Midnight 42.34963333333333 39.4487 44.8291 1160pM Fe,Midday 46.58891428571429 37.6694 55.472 1160pM Fe,Midnight 40.477075 31.5748 50.8983 High carbon,Dark 34.40018666666666 1.65347 96.1746 High carbon,Light 24.709523076923077 3.41186 56.8796 Low carbon,Dark 47.0425 47.0425 47.0425 Phloroglucinol 7.604773333333333 5.93601 8.7068 Silicon starvation,12h 50.7503 50.7503 50.7503