condition mean min max 12pM Fe,Midday 40.191 40.191 40.191 12pM Fe,Midnight 40.49565 39.6054 41.3859 58pM Fe,Midday 46.7512 46.7512 46.7512 58pM Fe,Midnight 42.09055714285714 29.8866 107.021 233pM Fe,Midnight 19.978766666666665 19.1576 20.53 1160pM Fe,Midday 34.91472857142857 33.477 37.2875 1160pM Fe,Midnight 11.732329166666666 8.08271 15.7182 High carbon,Dark 17.045450666666667 6.30804 31.3943 High carbon,Light 12.465803076923077 1.24065 24.3552 Low carbon,Dark 20.7912 20.7912 20.7912 Phloroglucinol 27.95276666666667 21.4117 37.2274 Silicon starvation,12h 58.9243 58.9243 58.9243