Tob. Sci., 1993, 37, p. 1-3., ISSN.0082-4623.
Optimum farm test sites for flue-cured tobacco
North Carolina State University, Dept. of Crop Science, Raleigh, NC, USA.
Flue-cured tobacco (Nicotiana tabacum L.) cultivars are evaluated by a Regional Minimum Standards Program before commercial release. The final phase of testing in this program involves large plots (0.125 ha) on 13 commercial farms in four states. The ...