Abstract:Basic conditions for tobacco-growing areas, meteorological factors, status of soil nutrients and quality of tobacco leaves were analyzed in Tongshan, Henan Province. The results indicated that: (1) Tongshan tobacco-growing areas had a long frost-free period, high accumulated temperature of ≥10℃, and a long period of time with daily average temperature of ≥20℃. The soil was yellowish-brown with a hilly topography, neutral to slightly acid pH, and low Cl~-1 content. (2) The stronger solar radiation, the longe...