condition mean min max 12pM Fe,Midday 21.6979 21.6979 21.6979 12pM Fe,Midnight 16.541649999999997 16.5357 16.5476 58pM Fe,Midday 13.3481 13.3481 13.3481 58pM Fe,Midnight 8.017055714285714 0.0 12.423 233pM Fe,Midnight 6.1521 5.36462 7.55787 1160pM Fe,Midday 11.244591428571429 8.92701 12.7494 1160pM Fe,Midnight 3.431610833333333 2.33083 4.93708 High carbon,Dark 7.2071594 0.689941 20.3175 High carbon,Light 6.863342 0.243311 20.7758 Low carbon,Dark 5.0369 5.0369 5.0369 Phloroglucinol 16.175933333333333 14.3711 19.0064 Silicon starvation,12h 22.8096 22.8096 22.8096