Difference between Burley Tobacco and Flue-Cured Tobacco in Nitrate Accumulation and Chemical Regulation of Nitrate and TSNA Contents
Changes in the NRA and NO3-N content of burley tobacco under Mo treatment during fast-growth period. NRA: nitrate reductase activity. NRA in tobacco was determined at 6 h and on days 1–5 after spraying. Error bars indicate standard error of means ().
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