condition mean min max 12pM Fe,Midday 2.09309 2.09309 2.09309 12pM Fe,Midnight 0.8144345 0.268409 1.36046 58pM Fe,Midday 0.463015 0.463015 0.463015 58pM Fe,Midnight 1.1216402857142858 0.0 1.81994 233pM Fe,Midnight 0.49078866666666665 0.486562 0.496987 1160pM Fe,Midday 0.508452 0.0 0.861856 1160pM Fe,Midnight 1.1886755 0.752215 1.85939 High carbon,Dark 1.9665678 0.552263 3.19787 High carbon,Light 1.9687385384615383 0.0 7.1125 Low carbon,Dark 5.52693 5.52693 5.52693 Phloroglucinol 2.76045 2.15035 3.27896 Silicon starvation,12h 3.42384 3.42384 3.42384