Preliminary Study on Tobacco Cultivation Control Technology in Changshun County

The uniform design was used to study effects of nitrogen amount,planting density and reserving leaf number on tobacco economic benefit and tobacco quality under the plastic film condition.The results showed that the cultivation control technology including applying 7.5kg/667m2 of nitrogen,1200plants/667m2 of planting density and reserving 18～22 leaves could improve tobacco quality and increase its economic benefit in Changshun County.