Effects of different picking methods on chemical composition and content of volatile aromatic matter of upper leaves in flue-cured tobacco were studied.

Curing technology for upper leaves with stem of flue-cured tobacco;

Effect of harvest method,maturity,and withering time on the starch contents of the upper leaves of flue-cured tobacco were studied.

Experiments were conducted to study effects of numbers of remained leaves, harvesting maturity and curing schedule on the economic characteristics and chemical constituents in curing upper leaves with stem of flue-cured tobacco.