condition mean min max 12pM Fe,Midday 29.7607 29.7607 29.7607 12pM Fe,Midnight 33.1553 29.7217 36.5889 58pM Fe,Midday 23.8257 23.8257 23.8257 58pM Fe,Midnight 23.165042857142858 0.0 29.1462 233pM Fe,Midnight 36.774966666666664 36.165 37.239 1160pM Fe,Midday 20.140657142857144 17.1855 25.2228 1160pM Fe,Midnight 23.7338 15.9321 31.5769 High carbon,Dark 35.15725333333333 22.8163 50.0883 High carbon,Light 23.723961538461538 2.982 38.8893 Low carbon,Dark 19.5743 19.5743 19.5743 Phloroglucinol 27.9253 23.8162 35.3906 Silicon starvation,12h 54.8303 54.8303 54.8303