condition mean min max 12pM Fe,Midday 42.4462 42.4462 42.4462 12pM Fe,Midnight 34.174949999999995 33.7544 34.5955 58pM Fe,Midday 32.9741 32.9741 32.9741 58pM Fe,Midnight 25.9641 22.6016 32.3106 233pM Fe,Midnight 15.321166666666667 14.7329 15.7926 1160pM Fe,Midday 23.727957142857143 22.5544 26.0885 1160pM Fe,Midnight 14.578764166666666 9.01541 21.1911 High carbon,Dark 19.018112000000002 5.85334 37.7289 High carbon,Light 14.915513076923077 5.89047 30.0635 Low carbon,Dark 23.1881 23.1881 23.1881 Phloroglucinol 56.739733333333334 56.0266 57.4657 Silicon starvation,12h 40.5957 40.5957 40.5957