Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 92, A4
The effect of nitrogen source, rate, and time of application on dark tobacco yield and quality
University of Kentucky, Princeton, KY, USA
Dark tobacco growers in the United States generally uses more than the recommended 300 kg/ha rates of nitrogen in production of their crop. Low cost sources of nitrogen (anhydrous ammonia, urea) are also commonly used to reduce production costs. There ...