condition mean min max 12pM Fe,Midday 17.0242 17.0242 17.0242 12pM Fe,Midnight 32.2967 28.3793 36.2141 58pM Fe,Midday 13.4393 13.4393 13.4393 58pM Fe,Midnight 25.273257142857144 22.0459 29.6661 233pM Fe,Midnight 18.764866666666666 17.2025 20.1753 1160pM Fe,Midday 11.531482857142857 8.84756 15.9992 1160pM Fe,Midnight 22.340516666666666 14.935 28.2346 High carbon,Dark 37.94356666666667 13.1924 125.46 High carbon,Light 29.074466153846153 2.48695 90.2424 Low carbon,Dark 9.89928 9.89928 9.89928 Phloroglucinol 10.547196666666666 9.39129 11.5045 Silicon starvation,12h 11.1107 11.1107 11.1107