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Agronomic Services

Crop Fertilization Based on North Carolina Soil Tests
Table 4.13  Commonly available sources of copper (Cu)
% Cu
Copper sulfate (pentahydrate) CuSO4 • 5H2O 25
Copper sulfate (monohydrate) CuSO4 • H2O 35
Copper oxide CuO 75
Ammonia base copper CuSO4 + NH4OH 8
Copper chelates Na2Cu EDTA 13
Cupric ammonium phosphate Cu(NH4)PO4 • 2H2O 32
return icon.Hardy DH, Tucker MR, Stokes CE. 2014. 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 January 10, 2014


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

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