Improvement of the output value, chemical and processing quality of flue-cured tobacco by application of humic acid solution
PU Yi(1); DAI Kuai(2); GU Xinghui(3); LIU Meiju(4); JI Qinglin(1); LI Jiangzhou(2); ZHAO Changhua(3); ZHANG Limeng(2); LIN Shan(1)
(1) China Agricultural University, College of Resources and Environment, Beijing, China; (2) Yunnan Tobacco Company Yuxi Branch, Yuxi, China; (3) Yunnan Tobacco Leaf Company, Kunming, China; (4) Yunnan Agricultural University, College of Resources and Environment, Kunming, China
The overuse of N fertilizer in vegetable growing season leads to the high amount of N remained in soil and the decrease of resistance of tobacco plants in vegetable-tobacco continuous cultivation system, which will seriously threaten the sustainable...