研究了不同材质覆盖处理对烟田水土流失、土壤养分含量以及烤烟生长发育、产量、质量的影响。结果表明：各个覆盖处理均能减少烟田水土和养分流失，调节土壤水分含量，促进烟株生长发育，减轻病害的发生，提高烤烟的质量和产值。在5个处理中，以地膜盖垄（移栽后35 d揭膜）＋稻草盖沟处理的经济效益最好，地膜盖垄处理的次之。%The effects of five different mulching treatments on the water and soil loss , soil nutrient content in tobacco field , as well as the growth , yield and quality of flue -cured tobacco were studied .The results indicated that all mulching treatments could reduce the loss of water , soil and nutrient in tobacco field , regulate soil moisture content , promote the growth and development of to-bacco plants , alleviate the occurrence of tobacco diseases , and enhance the quality and output value of flue -cured tobacco .Among 5 treatments, the treatment of covering ridge with plastic film (removing plastic film on the 35th day after transplanting) plus cover-ing ditch with rice straw obtained the best economic benefit , which was followed by the treatment of only covering ridge with plastic film.
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