condition mean min max 12pM Fe,Midday 28.585 28.585 28.585 12pM Fe,Midnight 24.8176 24.3361 25.2991 58pM Fe,Midday 29.2374 29.2374 29.2374 58pM Fe,Midnight 20.496342857142857 17.3608 34.4461 233pM Fe,Midnight 19.768066666666666 19.4799 20.3026 1160pM Fe,Midday 19.16272857142857 17.1877 21.4313 1160pM Fe,Midnight 16.856691666666666 9.07347 24.2634 High carbon,Dark 20.476414000000002 8.90751 30.345 High carbon,Light 15.11366623076923 0.679641 21.7972 Low carbon,Dark 12.3603 12.3603 12.3603 Phloroglucinol 11.13865 7.44322 17.5935 Silicon starvation,12h 11.9913 11.9913 11.9913