为明确可降解膜的增温保墒和提质增产效果,本试验以云烟87为材料,设置了可降解地膜（T₁）、普通地膜（CK）2个处理,研究其对烤烟田土壤温、湿度,以及烟株农艺性状和经济性状的影响。结果表明,可降解地膜在收获后期已完全降解;使用可降解地膜覆盖的土壤温度在团棵期和旺长期均高于普通地膜覆盖,现蕾期则相反;使用可降解地膜的土壤含水量在不同时期均高于普通地膜;使用可降解地膜覆盖栽培可促进烟株生长,同时提高了烟叶产量和上等烟率,进而提高了产值。推广使用可降解地膜对于提高烤烟产质量,缓解土壤污染压力具有重要意义。

To clarify the warming, moisture retention, quality improvement, and yield increasing effects of biodegradable film, Yunyan 87 was used as the material, and two treatments of biodegradable film (T₁) and ordinary film (CK) were set up to explore their effects on soil temperature and humidity, as well as agronomic and economic traits of tobacco plants in tobacco fields in this experiment. The results indicated that the biodegradable plastic film had been completely degraded in the later stage of harvest. The soil temperature covered with biodegradable film was higher than that covered with ordinary film during the clumping and flourishing stages, while the opposite is true during the budding stage. The soil moisture content using biodegradable film was higher than that covered by ordinary film at different stages. The use of biodegradable plastic film for cultivation could promote the growth of tobacco plants, while increasing tobacco yield and superior tobacco yield, thereby increasing output value. Promoting the use of biodegradable plastic film is of great significance for improving the quality of tobacco production and alleviating soil pollution pressure.