condition mean min max 12pM Fe,Midday 0.41572 0.41572 0.41572 12pM Fe,Midnight 0.4323325 0.0 0.864665 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.19308914285714288 0.0 0.657683 233pM Fe,Midnight 0.26138466666666665 0.0 0.526451 1160pM Fe,Midday 0.2354537142857143 0.0 0.674963 1160pM Fe,Midnight 0.33756058333333333 0.0 1.20558 High carbon,Dark 1.1373658666666666 0.0 2.90353 High carbon,Light 0.33229453846153845 0.0 1.24474 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 1.156995 0.781503 1.83979 Silicon starvation,12h 0.946128 0.946128 0.946128