原创《文山烟区土壤和烟叶氯素特征影响因子》：本文关于烟叶论文范文,可以做为相关论文参考文献,与写作提纲思路参考。
摘 要：为深入了解文山植烟土壤和烟叶水溶性氯含量分布状况,并解析其影响因素,采用GPS定位技术采集了276份土壤和381份烟叶,对土壤氯和烟叶水溶性氯含量进行测定,采用经典统计学和地统计学方法,对其分布及部分影响因素进行了研究.结果表明,该烟区土壤水溶性氯平均含量为13.81 mg/kg,61.95%区域氯元素含量在适宜范围内（10.00～30.00 mg/kg）；烟叶水溶性氯含量普遍较低,平均含量为0.15%,变异系数为113.33%,仅有8.66%的烟样氯含量在适宜范围（0.30%～0.80%）,低（0.10%～0.30%）和极低（< 0.10%）的烟样占比分别为37.27%和51.71%.降水的强淋溶作用是导致文山烟叶氯元素偏低的重要原因.因此,文山烟区土壤氯元素含量适宜烤烟种植,但烟叶氯素含量均偏低,建议适当加强含氯肥料的施用,并做好对氯元素的动态监测,以提高烟叶品质.
关键词：文山烟区；土壤；氯元素；烟叶
中图分类号：S572.06文章编号：1007-5119（2016）05-0040-07DOI：10.13496/j.issn.1007-5119.2016.05.008
Abstract： For a better understanding of water-dissolving chlorine contents of soil and tobacco leaf and influencing factors in Wenshan tobacco growing areas, 276 soil samples and 381 tobacco leaf samples were collected by the technology of Global Position System （GPS）. Chloride contents, spatial distribution and influencing factors were analyzed by geostatistics with GIS and statistical methods. The results were as follows： The average content of water-dissolving chlorine in various tobacco-planting soils was 13.81mg /kg in Wenshan. Chlorine content of 61.95% of the soil samples was in the appropriate level （10.00-30.00 mg/kg）, which was very fit for tobacco planting. The content of chlorine in tobacco leaves was low, and the average value of it was 0.15 % with coefficient of variation as high as113.33%. Only 8.66 % of the leaf samples had a chlorine content in the appropriate level （0.30%-0.80%）, 37.27% of the leaf samples hada chlorine content of 0.10%-0.30%,and 51.71% of the leaf samples had a chlorine content less than 0.10%. The lack of chlorine in tobacco leaves was mainly due to the amount and intensity of rainfall which caused leaching. The results revealed that in Wenshan tobacco growing areas chlorine content of the soil samples was in the appropriate level, but chlorine content of the tobacco leaf was relatively low, which is not suitable for the production of high-quality flue-cured tobacco. In order to improve the tobacco quality, appropriate application of chlorine-containing fertilizers must be recommended and be dynamic monitored.
Keywords：Wenshan tobacco growing areas； soil； chlorine； tobacco leaf
氯元素在烟草中具有特殊性,因其一方面是烟草生长发育的必需元素之一[1],而另一方面在烟草制品中却是公认的忌氯元素.已有研究表明,当氯含量<0.3%时,烟叶易碎,质量下降；氯含量>1.0%时,燃烧性差,容易熄火[2-3].氯元素只有在适宜范围内才能对烤烟的生长和品质都有积极影响[4].土壤水溶性氯含量的丰缺是烟叶氯含量高低的主要影响因素之一[5-6].由于降水的淋溶作用和种植上限制施用含氯肥料,氯元素在许多烟区已较普遍偏低,尤其在西南烟区少数烟区甚至已成为烟叶可用性的限制因素[7-9].GIS技术已经广泛用于植烟土壤主要养分的空间特征研究[10-12],但用于烟区氯元素的研究还较少.文山烟区是全国大烟区,是多家卷烟工业企业的烟叶供应基地[13],有关文山烟区土壤和烟叶水溶性氯的研究却鲜见报道.因此,采用GIS技术野外调查取样和实验室分析相结合的方法,研究土壤和烟叶氯含量特征以及影响因素,旨在为施用氯肥、优化烟叶氯元素含量以及改善烟叶钾氯比提供科学依据.
烟叶论文参考资料：
结论：文山烟区土壤和烟叶氯素特征影响因子为关于本文可作为烟叶方面的大学硕士与本科毕业论文网上哪里买烟叶论文开题报告范文和职称论文论文写作参考文献下载。
