腐殖酸肥对百色植烟土壤养分和烤烟香气质量的影响

Effects of Humic Acid Fertilizer on Soil Nutrient Contents and Aroma Quality of Flue-cured Tobacco in Baise Tobacco-growing Area

摘要: 2010—2011年采用大田试验，研究了施用腐殖酸肥对百色植烟土壤养分和烤烟香气质量的影响。结果表明，施用腐殖酸肥可提高土壤速效钾、有机质等主要养分含量，并能明显提高烤烟的经济效益，以腐殖酸肥用量为150 kg/hm²的烤烟经济性状指标最高。施用腐殖酸肥能改善烟叶化学品质，烟叶化学成分含量适宜、比例协调，主要致香物质含量和总致香物质含量均明显高于不施肥处理，烟叶评吸得分均较高。因此，生产上建议百色烟区偏碱性植烟土壤腐殖酸肥用量为150 kg/hm²。

Abstract: A field experiment was carried out to investigate the effects of humic acid fertilizer on soil nutrient contents and aroma quality of flue-cured tobacco in Jingxi county of Guangxi Province during 2010-2011. The results showed that applications of humic acid fertilizer could increase major nutrients in soil, especially available potassium, enhance the economic characters significantly. The highest economic attributes were observed at the rate of 150 kg/ha. The humic acid fertilizer could also maintain better chemical components and smoking quality of flue-cured tobacco, increase major aroma components and total aroma components obviously. The best application rate of humic acid fertilizer was 150 kg/ha in tobacco-planting soil of Baise.