condition mean min max 12pM Fe,Midday 59.3494 59.3494 59.3494 12pM Fe,Midnight 60.410650000000004 59.9991 60.8222 58pM Fe,Midday 54.8094 54.8094 54.8094 58pM Fe,Midnight 58.3503 45.1735 102.417 233pM Fe,Midnight 29.108433333333334 27.5456 31.7898 1160pM Fe,Midday 27.903257142857143 26.5606 29.937 1160pM Fe,Midnight 39.36510833333333 28.8132 46.4181 High carbon,Dark 20.690146666666667 13.2421 31.0624 High carbon,Light 21.500304615384618 2.4249 37.1976 Low carbon,Dark 12.1721 12.1721 12.1721 Phloroglucinol 31.872533333333333 22.0251 43.1683 Silicon starvation,12h 38.3578 38.3578 38.3578