condition mean min max 12pM Fe,Midday 501.346 501.346 501.346 12pM Fe,Midnight 491.94100000000003 476.594 507.288 58pM Fe,Midday 621.745 621.745 621.745 58pM Fe,Midnight 488.5475714285714 400.298 688.114 233pM Fe,Midnight 309.913 297.583 322.344 1160pM Fe,Midday 432.0017142857143 407.265 464.162 1160pM Fe,Midnight 387.0928333333333 346.808 433.643 High carbon,Dark 541.4941333333334 190.213 803.351 High carbon,Light 551.7696153846153 376.058 941.824 Low carbon,Dark 333.416 333.416 333.416 Phloroglucinol 404.95733333333334 355.397 429.926 Silicon starvation,12h 210.358 210.358 210.358