Crop Fertilization Based on North Carolina Soil Tests
Table 4.14 Commonly available sources of manganese (Mn)
Source
Formula
% Mn
Manganese sulfate (tetrahydrate)
MnSO4 • 4H2O
26–28
Manganese oxide
MnO
41–68
Manganese chelate
Mn EDTA
5–12
Manganese nitrate (liquid)
Mn(NO3)2
15
Manganese chloride (liquid)
MnCl2 • 4H2O
16.8
Hardy DH, Tucker MR, Stokes CE. 2013. Crop fertilization based on North Carolina soil tests. Raleigh (NC): North Carolina Department of Agriculture and Consumer Services, Agronomic Division. Circular No. 1.
Last Update
February 15, 2013
NCDA&CS Agronomic Services Division, Colleen M. Hudak-Wise, Ph.D., Director Mailing Address: 1040 Mail Service Center, Raleigh NC 27699-1040 Physical Address: 4300 Reedy Creek Road, Raleigh NC 27607-6465 Phone: (919) 733-2655; FAX: (919) 733-2837
