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四川省攀西山区代表性烟田土壤系统分类研究
王程栋1, 徐宜民1, 杨建春2, 张瑞平2, 王松峰1, 杨军伟2, 孙福山1, 王树声1, 曾庆宾2
1.中国农业科学院烟草研究所;2.四川省烟草公司攀枝花市公司
摘要:
土壤影响着烤烟的产量、质量、香型风格及其彰显程度。认识土壤是合理利用和改良土壤的基础。本研究以我国优质烤烟典型产区四川省攀西山区攀枝花市的米易县和仁和区以及凉山州的会东县和会理县为研究区域,在综合考虑地形地貌、成土母质、土壤条件、烟叶长势和品质的基础上,在上述地区分别确定了5、5、5和4个代表性烟田,基于野外成土因素调查和剖面形态特征观察信息以及第二次土壤普查中大致对应的典型剖面理化信息,初步确立了其在中国土壤系统分类上的归属。结果表明:调查的19个代表性烟田分属富铁土、淋溶土、雏形土和新成土4个土纲,涉及7个亚纲、9个土类和11个亚类。总体来看,这些烟田的优势是土体较厚,岩石碎屑含量适宜,但劣势是耕作层质地偏黏,且部分烟田为坡旱地,存在水土流失风险。
关键词:  代表性烟田  成土因素  剖面形态  土壤系统分类  攀西山区
DOI:10.13758/j.cnki.tr.2019.03.027
分类号:S155.3
基金项目:国家烟草专卖局/中国烟草总公司项目(110201101001[TS-02])、中国烟草总公司四川省公司重点项目(scyc201505)和中国烟草总公司陕西省公司项目(BJYC-2016-FW-043)资助。
Study on Soil Taxonomy of Typical Tobacco-planting Fields in Panxi Mountain Area of Sichuan Province
WANG Cheng-dong1, XU Yi-ming1, YANG Jian-chun2, ZHNAG Rui-ping2, WANG Song-feng1, YANG JUN-wei2, SUN Fu-shan1, WANG Shu-sheng1, ZENG Qing-bin2
1.Tobacco Research Institute of CAAS Key Laboratory of Tobacco Biology and Processing of MOA;2.Panzhihua Branch of Sichuan Tobacco Company
Abstract:
Soil condition has important influences on the yield, quality, aroma style and its manifestation of flue-cured tobacco, well-understanding soil is the basis of rational utilization and improvement of soil. In this study 5, 5, 5 and 4 typical tobacco-planting fields were selected on the base of comprehensive consideration of the conditions of topography, soil parent material, soil conditions, tobacco growth situations and leaf qualities in Miyi and Renhe of Panzhihua City as well as Huili and Huidong of Liangshan Prefecture of Panxi mountainous area which are typical high-quality tobacco planting regions in Sichuan Province, soil profiles were surveyed and soil types were determined according to Chinese Soil Taxonomy on the base of the field observation on soil formation factors and profile morphological characteristics as well as the physiochemical properties of similar typical soil profiles obtained in the 2nd National Soil Survey. The results showed that the 19 studied fields were belonged to 4 soil orders, 7 soil suborders, 9 soil groups and 11 soil subgroups. Overall, the studied fields have the advantages of thicker pedons and appropriate contents of rock fragments but the disadvantages of clayey textures, and some are the slope-drylands with the potential soil erosion.
Key words:  Typical tobacco-planting field  Soil forming factors  Profile morphology  Soil taxonomy  Panxi mountainous area

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