condition mean min max 12pM Fe,Midday 115.995 115.995 115.995 12pM Fe,Midnight 99.6832 87.3684 111.998 58pM Fe,Midday 175.088 175.088 175.088 58pM Fe,Midnight 117.20031428571428 77.6397 303.197 233pM Fe,Midnight 74.99486666666667 72.9057 78.7783 1160pM Fe,Midday 135.6527142857143 117.159 157.865 1160pM Fe,Midnight 48.51745 34.6365 59.106 High carbon,Dark 266.86712666666665 58.0806 891.194 High carbon,Light 309.6507076923077 37.9029 941.599 Low carbon,Dark 145.524 145.524 145.524 Phloroglucinol 135.138 118.629 143.819 Silicon starvation,12h 227.11 227.11 227.11