condition mean min max 12pM Fe,Midday 48.331 48.331 48.331 12pM Fe,Midnight 31.4198 30.5813 32.2583 58pM Fe,Midday 30.6572 30.6572 30.6572 58pM Fe,Midnight 36.07362857142857 20.1684 103.5 233pM Fe,Midnight 26.334033333333334 25.0221 27.4335 1160pM Fe,Midday 33.115785714285714 29.991 40.2947 1160pM Fe,Midnight 13.034975 10.5462 15.5582 High carbon,Dark 23.247609333333333 3.69164 41.8546 High carbon,Light 25.707153846153847 10.6485 47.0892 Low carbon,Dark 31.2252 31.2252 31.2252 Phloroglucinol 16.868266666666667 12.5885 19.241 Silicon starvation,12h 55.826 55.826 55.826