condition mean min max 12pM Fe,Midday 58.4471 58.4471 58.4471 12pM Fe,Midnight 43.18115 41.6335 44.7288 58pM Fe,Midday 63.7439 63.7439 63.7439 58pM Fe,Midnight 37.38917142857143 32.9374 40.2956 233pM Fe,Midnight 67.76146666666666 63.9947 70.0773 1160pM Fe,Midday 59.50525714285714 47.9728 63.8411 1160pM Fe,Midnight 628.9851333333334 44.075 939.147 High carbon,Dark 100.43076 50.3487 176.552 High carbon,Light 147.70322307692308 25.2508 408.434 Low carbon,Dark 56.0065 56.0065 56.0065 Phloroglucinol 41.20843333333333 39.5447 44.1944 Silicon starvation,12h 282.112 282.112 282.112