不同肥源农家肥施用时间对烤烟生长及产质量的影响

 通过田间小区试验，以等氮量的腐熟羊粪和腐熟牛粪配施腐熟油枯作为基肥分别在烤烟移栽前30, 15, 0d施用，研究在有机种植条件下2种农家肥的施用时间对烤烟生长发育、土壤硝态氮含量和产质量的影响。研究结果表明，羊粪提前15d，牛粪提前30d施用有利于提高烟叶产量、产值和品质，降低烟叶烟碱含量，且施用羊粪有利于提高烟叶的钾含量。

Effects of Application of Different Sourced Farmyard Manure and Different Applied Time on Growth and Quality of Flue cured Tobacco

The decomposed organic fertilizer which was goat manure，cow manure，oil cake，and potash feldspar was applied in the field 0，15and 30 days before tobacco transplanted in a plot experiment．Growth and quality of flue cured tobacco，and the content of nitrate nitrogen in soil were studied under two different sourced farmyard manure and three different applications of time environment．The results showed that the goat manure applied 15 days and the cow manure applied 30 days before tobacco transplanted were better，the agronomic traits，yield，quality and output value were increased，and nicotine content was reduced obviously．In addition，the goat manure was helpful to increase potassium content in flue cured tobacco leaves．