condition mean min max 12pM Fe,Midday 19.2181 19.2181 19.2181 12pM Fe,Midnight 20.2865 18.8677 21.7053 58pM Fe,Midday 100.385 100.385 100.385 58pM Fe,Midnight 28.93842857142857 12.9369 73.4601 233pM Fe,Midnight 6.540276666666666 5.49546 7.4642 1160pM Fe,Midday 14.073599999999999 12.5817 16.5754 1160pM Fe,Midnight 2.9205025 1.57176 4.75295 High carbon,Dark 9.714149333333333 1.03491 37.1647 High carbon,Light 9.26379923076923 0.0 45.1568 Low carbon,Dark 3.02214 3.02214 3.02214 Phloroglucinol 4.058186666666667 2.07184 5.87907 Silicon starvation,12h 10.5818 10.5818 10.5818