condition mean min max 12pM Fe,Midday 111.417 111.417 111.417 12pM Fe,Midnight 77.7932 74.4871 81.0993 58pM Fe,Midday 103.751 103.751 103.751 58pM Fe,Midnight 49.961214285714284 0.0 68.7927 233pM Fe,Midnight 58.694633333333336 56.1014 62.1601 1160pM Fe,Midday 59.91022857142857 45.6547 71.3306 1160pM Fe,Midnight 58.94515833333333 48.2733 74.7958 High carbon,Dark 60.50485333333333 32.2693 93.4311 High carbon,Light 66.25025769230768 1.48852 133.367 Low carbon,Dark 29.3125 29.3125 29.3125 Phloroglucinol 30.596066666666665 22.2748 43.0146 Silicon starvation,12h 19.6215 19.6215 19.6215