condition mean min max 12pM Fe,Midday 18.6217 18.6217 18.6217 12pM Fe,Midnight 19.59135 17.8455 21.3372 58pM Fe,Midday 11.544 11.544 11.544 58pM Fe,Midnight 28.336085714285712 16.7477 79.2787 233pM Fe,Midnight 14.9729 13.9581 16.1683 1160pM Fe,Midday 11.768697142857143 9.32078 14.6192 1160pM Fe,Midnight 8.075780833333333 4.57865 14.2542 High carbon,Dark 8.59047 4.24156 13.2544 High carbon,Light 5.12573 1.40779 9.33173 Low carbon,Dark 6.16064 6.16064 6.16064 Phloroglucinol 3.3138366666666665 2.58532 4.25432 Silicon starvation,12h 10.9124 10.9124 10.9124