condition mean min max 12pM Fe,Midday 17.1269 17.1269 17.1269 12pM Fe,Midnight 18.282899999999998 17.8046 18.7612 58pM Fe,Midday 13.3361 13.3361 13.3361 58pM Fe,Midnight 18.02027142857143 0.0 30.8262 233pM Fe,Midnight 18.088933333333333 16.5624 19.3412 1160pM Fe,Midday 12.381645714285714 8.68526 25.2752 1160pM Fe,Midnight 17.261755833333332 8.29855 33.3128 High carbon,Dark 13.566227333333334 2.41011 29.3166 High carbon,Light 7.1048392307692305 1.93996 35.0363 Low carbon,Dark 4.08182 4.08182 4.08182 Phloroglucinol 3.8676166666666667 3.1481 5.13417 Silicon starvation,12h 10.914 10.914 10.914