Crop Fertilization Based on North Carolina Soil Tests
Table 4.7 Commonly available sources of nitrogen (N)
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.
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