condition mean min max 12pM Fe,Midday 21.1972 21.1972 21.1972 12pM Fe,Midnight 60.15755 59.4685 60.8466 58pM Fe,Midday 6.79436 6.79436 6.79436 58pM Fe,Midnight 49.10872857142857 40.8623 76.891 233pM Fe,Midnight 64.26476666666667 59.337 67.3764 1160pM Fe,Midday 11.113045714285715 9.30567 13.0552 1160pM Fe,Midnight 36.67353333333333 17.0915 75.5491 High carbon,Dark 27.040399999999998 10.0084 55.0833 High carbon,Light 15.558043076923077 2.16474 40.9435 Low carbon,Dark 19.8584 19.8584 19.8584 Phloroglucinol 22.630366666666667 13.9604 31.0938 Silicon starvation,12h 27.1978 27.1978 27.1978