condition mean min max 12pM Fe,Midday 179.726 179.726 179.726 12pM Fe,Midnight 122.757 103.256 142.258 58pM Fe,Midday 178.109 178.109 178.109 58pM Fe,Midnight 62.77961428571428 47.0127 91.7964 233pM Fe,Midnight 30.822466666666667 28.6132 32.4951 1160pM Fe,Midday 145.86228571428572 130.455 171.572 1160pM Fe,Midnight 22.019466666666666 13.1779 32.1407 High carbon,Dark 44.19054933333333 2.45564 80.4691 High carbon,Light 37.900615384615385 8.65633 79.0136 Low carbon,Dark 43.2198 43.2198 43.2198 Phloroglucinol 674.4596666666666 524.951 783.947 Silicon starvation,12h 75.1513 75.1513 75.1513