condition mean min max 12pM Fe,Midday 0.945684 0.945684 0.945684 12pM Fe,Midnight 3.1696799999999996 2.45869 3.88067 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 5.4641 0.0 9.17891 233pM Fe,Midnight 1.87794 1.17245 2.69454 1160pM Fe,Midday 2.0232634285714286 0.0 6.0523 1160pM Fe,Midnight 0.86291325 0.0 2.91532 High carbon,Dark 3.6484578 0.0 10.9388 High carbon,Light 1.8406072307692307 0.0 9.00606 Low carbon,Dark 0.768351 0.768351 0.768351 Phloroglucinol 3.4207699999999996 0.0 9.66443 Silicon starvation,12h 2.95936 2.95936 2.95936