期刊论文

Suitability Evaluation and Influencing Factors of Soil Fertility in Tobacco Growing Areas of Huayuan County,Xiangxi Prefecture

中文

云南农业大学学报(自然科学)

1004-390X

2018

33

3

520-528

10.12101/j.issn.1004-390X(n).201705048

湖南省烟草公司项目（xx16-18Aa02）；

本校为第一机构

【目的】为了解花垣县植烟土壤肥力水平,为花垣烟区科学施肥提供建议。【方法】采用GPS技术在花垣烟区采集160个土壤样本,测定其养分含量,在GIS技术和地统计学的基础上运用模糊数学方法计算土壤肥力适宜性指数（SFI值）,对花垣烟区土壤肥力适宜性进行综合评价并分析其影响因素。【结果】（1）花垣植烟土壤碱解氮、交换性钙和交换性镁含量适宜,有效磷和有效硫含量极高,速效钾含量丰富,全氮和有机质含量偏高,而土壤p H值偏低,氯离子含量极低。（2）土壤SFI均值为0.58,土壤肥力状况一般,各乡镇土壤肥力适宜性表现出雅桥>道二>麻栗场>雅酉>排碧>长乐>花垣乡>排料>补抽>董马库>吉卫的趋势。（3）花垣...

[ Purpose] In order to know the fertility level of tobacco planting soil in Huayuan County,some suggestions were put forward for scientific fertilization in Huayuan tobacco growing area.[Method]160 soil samples were collected from Huahuan County by adopting GPS technology,the nutrients content were tested.Suitability index of soil fertility (SFI) was calculated using fuzzy mathematics method on the foundation of GIS technology and statistics.The soil fertility suitability comprehensive evaluation of tobacco growth area and its influences was analyzed.[Result]1) The soil alkali solution nitroge...