condition mean min max 12pM Fe,Midday 36.462 36.462 36.462 12pM Fe,Midnight 27.13075 26.7225 27.539 58pM Fe,Midday 30.612 30.612 30.612 58pM Fe,Midnight 20.8966 17.3257 25.5152 233pM Fe,Midnight 9.99443 9.52159 10.2362 1160pM Fe,Midday 17.493557142857142 14.6127 20.726 1160pM Fe,Midnight 10.889233333333333 7.89319 14.7759 High carbon,Dark 13.875159866666667 0.568798 36.1578 High carbon,Light 10.618123076923077 1.85923 27.7452 Low carbon,Dark 12.2464 12.2464 12.2464 Phloroglucinol 1.59302 0.944505 2.83624 Silicon starvation,12h 4.69638 4.69638 4.69638