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不同的氮素形态试验结果表明:施硝态氮多的处理前期有利于烟株早发。不同的氮素形态处理对烤烟各项农艺性状的影响较小。不同氮素形态比例对烤烟产量没有显著影响。各处理产值随着硝态氮施用比例的增加而增加,且100%硝态氮的处理(处理5)显著优于25%硝态氮及以下的处理(处理2和处理1),但100%硝态氮的处理(处理5)、75%硝态氮的处理(处理4)、50%硝态氮的处理(处理3)3个处理之间差异不显著,因此,施肥中硝态氮量达到总施氮量的50%以上即可。各处理烟叶的各种化学成分含量和评吸质量差别不大。
The results of different nitrogen forms showed that the pre-treatment of applying more nitrate nitrogen was beneficial to tobacco plant early onset. Different forms of nitrogen had little effect on the agronomic traits of flue-cured tobacco. Different nitrogen forms have no significant effect on the yield of flue-cured tobacco. The production value increased with the increase of nitrate application rate, and the treatment of 100% nitrate nitrogen (treatment 5) was significantly better than that of 25% nitrate nitrogen and the following treatment (treatment 2 and treatment 1), but 100% There was no significant difference among the treatments of nitrate nitrogen (treatment 5), 75% nitrate nitrogen treatment (treatment 4) and 50% nitrate nitrate treatment (treatment 3). Therefore, the amount of nitrate nitrogen To reach more than 50% of the total nitrogen can be. The content of various chemical components and the quality of smoking were not significantly different among treatments.