condition mean min max 12pM Fe,Midday 2.38076 2.38076 2.38076 12pM Fe,Midnight 4.12247 3.36015 4.88479 58pM Fe,Midday 2.7085 2.7085 2.7085 58pM Fe,Midnight 3.193537142857143 0.0 4.97708 233pM Fe,Midnight 3.6806799999999997 2.79955 4.34209 1160pM Fe,Midday 1.0391877142857142 0.843619 1.24245 1160pM Fe,Midnight 2.3903783333333335 0.79034 3.90405 High carbon,Dark 4.33581 2.3182 8.52379 High carbon,Light 2.8685511538461537 0.763762 5.83962 Low carbon,Dark 1.65799 1.65799 1.65799 Phloroglucinol 3.1357 1.81153 5.44533 Silicon starvation,12h 5.61183 5.61183 5.61183