condition mean min max 12pM Fe,Midday 24.6884 24.6884 24.6884 12pM Fe,Midnight 21.1429 19.475 22.8108 58pM Fe,Midday 27.0675 27.0675 27.0675 58pM Fe,Midnight 13.937714285714286 0.0 18.3525 233pM Fe,Midnight 14.335733333333334 13.4751 15.3208 1160pM Fe,Midday 21.117814285714285 19.7645 24.1329 1160pM Fe,Midnight 8.743463333333333 6.98256 11.3162 High carbon,Dark 12.837568666666666 5.60572 24.401 High carbon,Light 11.240633076923077 1.15812 20.3511 Low carbon,Dark 16.4627 16.4627 16.4627 Phloroglucinol 39.13896666666667 28.5475 48.0137 Silicon starvation,12h 13.1515 13.1515 13.1515