为了探讨山地烤烟对配施生物有机肥响应效果,为当地烤烟生产提供参考,以常规肥料对比,通过生物有机肥不同配施量试验,分析其对烤烟生理生化指标及产质量影响效果。结果表明:配施生物有机肥,可以增加烤烟根系体积和净光合速率,促进烤烟生长发育,提高上等烟叶比例及产质量,提高经济效益;其中烟叶产量提高9.35%~11.2%,达2159.1kg/hm2和2361.0kg/hm2,产值增加2.51%~15.2%,达55057.1元/hm2和61858.2元/hm2,上等烟叶比例增加0.95%~3.63%;在其他生产成本一致的情况下,经济效益处理提高2.14%~14.5%;经济效果指数(ECI)和烤烟化学成分可用性指数(CCUI)均好于对照。合理的生物有机肥施用量,对烤烟生产有着良好的提质增效响应效果。
Abstract
To study the response of flue-cured tobacco to bio-organic fertilizer, and provide references for flue- cured tobacco production, the effect of bio- organic fertilizer on flue- cured tobacco physiologicalbiochemical indexes, yield and quality was analyzed by different bio-organic fertilizer application tests. The results showed that the combined application of bio- organic fertilizer increased roots volume and net photosynthetic rate of flue-cured tobacco leaves, promoted the growth of flue-cured tobacco, increased firstclass tobacco leaves ratio, yield and quality, and out-put value; the yield of flue-cured tobacco increased by 9.35%-11.2% and reached 2159.1 kg/hm2 and 2361.0 kg/hm2, the out-put value increased by 2.51%-15.2% and reached 55057.1 yuan/hm2 and 61858.2 yuan/hm2, the ratio of first-class tobacco leaves increased by 0.95%-3.63%; economic benefit increased by 2.14%-14.5% under the same other production costs; economic character index (ECI ) and chemical components usability index (CCUI ) of combined bio- organic fertilizer application treatment were better than those of CK. Therefore, reasonably combined application of bio-organic fertilizer has positive effect on flue-cured tobacco production.
关键词
烤烟;配施生物有机肥;响应;经济性
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Key words
flue-cured tobacco;combinedSapplication bio-organic fertilizer;response;economy
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