不同有机肥对烤烟生长发育、产质量及青枯病的影响

 通过田间试验，比较研究了不同有机肥（精制有机肥和生物有机肥）与化肥配施对烤烟农艺性状、叶绿素含量、产质量及烤烟青枯病的影响。结果表明：与当地常规施肥（100%化肥）相比，精制有机肥、生物有机肥配施80%化肥，可促进烤烟生长，显著提高烤烟产质量，减轻青枯病的危害。与当地常规施肥（100%化肥）相比，在化肥减量20%的基础上，配施生物有机肥烤烟产量提高了4.5 %，产值提高了9.8%，上中等烟比例提高了8.4%，烤烟青枯病病情指数降低了47.3%；配施精制有机肥烤烟产量提高了5.3%，烤烟青枯病病情指数降低了15.8%。与配施精制有机肥处理相比，配施生物有机肥烤烟产值提高了9.5%，上中等烟比例提高了6.2%，烤烟青枯病病情指数降低了37.5%。

Effects of Different Organic Fertilizer on Growth, Yield, Quality and Bacterial Wilt of Flue cured Tobacco

The field experiments were carried out to compare and study the effect of combining application of different organic fertilizer (refined organic fertilizer and bio organic fertilizer) with chemical fertilizer on agronomic characteristics, chlorophyll content, yield and quality and bacterial wilt of flue cured tobacco The results showed that: compared with the local conventional fertilization (100% chemical fertilize), combining application of refined organic fertilizer, and biological organic fertilizer with 80% chemical fertilizer could promote the growth of tobacco; significantly improve the yield and quality of the flue cured tobacco; reduce the hazards of bacterial wilt Compared with the local conventional fertilization (100% chemical fertilize), on the basis of the reduction of chemical fertilizer by 20%, the treatment that was combined application of chemical fertilizer with biological organic fertilizer produced the following results: yield of flue cured tobacco increased by 4.5%; output value increased by 9.8%; the proportion of mid high grade tobacco leaves increased by 8.4%; bacterial wilt disease index of flue cured tobacco decreased by 47.3% The combining application of refined organic fertilizer with chemical fertilizer increased the yield of flue cured tobacco by 5.3% and reduced bacterial wilt disease index by 15.8% Compared with combining application with refined organic fertilizer, combining application with biological organic fertilizer could increase the output value of flue cured tobacco by 9.5%, increase the proportion of mid high grade tobacco leaves by 62% and decrease the bacterial wilt disease index by 37.5%