condition mean min max 12pM Fe,Midday 150.387 150.387 150.387 12pM Fe,Midnight 176.3845 171.421 181.348 58pM Fe,Midday 103.097 103.097 103.097 58pM Fe,Midnight 144.57931428571428 90.2452 222.984 233pM Fe,Midnight 68.50676666666666 67.3855 69.5048 1160pM Fe,Midday 91.15824285714285 79.3105 98.5487 1160pM Fe,Midnight 80.70483333333334 43.43 115.115 High carbon,Dark 77.06788 27.5883 220.677 High carbon,Light 82.81606923076923 32.288 138.985 Low carbon,Dark 59.3731 59.3731 59.3731 Phloroglucinol 462.995 358.962 537.72 Silicon starvation,12h 77.2675 77.2675 77.2675