盐源县植烟土壤速效养分空间变异特征研究

doi:10.3969/j.issn.1004-1524.2017.08.14

浙江农业学报 ›› 2017, Vol. 29 ›› Issue (8): 1329-1335.DOI: 10.3969/j.issn.1004-1524.2017.08.14

盐源县植烟土壤速效养分空间变异特征研究

肖怡¹, 冯浪¹, 王鹏², 张新³, 李启权^{1, *}, 王勇⁴, 陈玉蓝⁴, 罗琳⁴, 王昌全¹

1.四川农业大学资源学院,四川成都 611130；
2.武汉市汉阳区卷烟厂原料部,湖北武汉 430051；
3.筠连县筠连镇政府,四川宜宾 645250；
4.四川省烟草公司凉山州公司,四川凉山 615000

收稿日期:2017-03-24 出版日期:2017-08-20 发布日期:2017-09-06
通讯作者: 李启权,E-mail: liqq@lreis.ac.cn
作者简介:肖怡(1993-),女,四川宜宾人,硕士研究生,主要从事土壤环境质量研究。E-mail: yiguaer@sina.con
基金资助:
中国烟草总公司四川省公司科技项目(SCYC201402006)

Study on spatial variability of soil available nutrients in tobacco planting soil in Yanyuan County

XIAO Yi¹, FENG Lang¹, WANG Peng², ZHANG Xin³, LI Qiquan^{1, *}, WANG Yong⁴, CHEN Yulan⁴, LUO Lin⁴, WANG Changquan¹

1. College of Resources, Sichuan Agricultural University, Chengdu 611130, China;
2.Raw Material Department of Cigevette Factory in Hanyang District, Wuhan City, Wuhan 430051, China;
3. The People‘s Government of Junlian Town, Junlian County, Yibin 645250, China;
4. Liangshan Company of Sichuan Provincial Tobacco Co., Ltd, Liangshan 615000, China

Received:2017-03-24 Online:2017-08-20 Published:2017-09-06

摘要/Abstract

摘要： 为揭示盐源烟区土壤速效养分空间变异特征及前茬作物对其的影响,基于野外采集的237个土壤样本,采用反距离权重插值和方差分析方法对植烟土壤3种速效养分进行分析。结果表明,研究区土壤碱解氮、有效磷和速效钾含量分别为22.75~158.54、1.25~68.90和34.37~362.59 mg·kg^-1,变异系数在29.17%~77.04%之间。空间插值结果表明,研究区土壤碱解氮、有效磷和速效钾的空间变异明显,集中分布于适宜水平,处于较低及以下水平的面积较小,呈斑块状分布全区。方差分析结果表明,前茬作物对研究区土壤碱解氮和有效磷影响显著,但对速效钾影响并不显著。当前茬作物为烤烟时,土壤碱解氮、有效磷和速效钾的均值含量最小,分别为77.00、13.15和126.39 mg·kg^-1;当前茬作物为紫花苕时,土壤有效磷和速效钾均值含量最大,分别为27.06和170.41 mg·kg^-1;当前茬作物为水稻时,碱解氮均值含量最大,为97.97 mg·kg^-1。

关键词: 空间变异, 速效养分, 反距离权重插值, 前茬作物

Abstract: In order to reveal the spatial distribution of available nutrients in tobacco planting soils and the influence of previous crops, 273 soil samples were collected in tobacco-growing areas in Yanyuan County, and inverse distance weighting was adopted in combination with variance analysis. It was shown that the concentration of soil available N (AN), available P (AP) and available K (AK) ranged from 22.75 to 158.54, 1.25 to 68.90 and 34.37 to 362.59 mg·kg^-1, respectively, and the variation coefficient of AN, AP and AK ranged from 29.17% to 77.04%. The spatial variability of AN, AP and AK was obvious. The concentrations of AN, AP and AK were mainly in the appropriate level, while the areas with lower AN, AP and AK were small, which were scattered plaques. The former crops had significant effects on soil AN and AP, yet no significant effect on AK in the study area. The average value of soil AN, AP and AK was the lowest when the previous crop was tobacco, which were 77.00, 13.15and 126.39 mg·kg^-1 respectively. The average value of soil AP and AK was the highest when the previous crop was Vicia villosa, which was 27.06 and 170.41 mg·kg^-1, respectively. The average value of soil AN was the highest when the previous crop was rice, which was 97.97 mg·kg^-1.

Key words: spatial variability, available nutrients, inverse distance weighting, previous crops

中图分类号:

S158

肖怡, 冯浪, 王鹏, 张新, 李启权, 王勇, 陈玉蓝, 罗琳, 王昌全. 盐源县植烟土壤速效养分空间变异特征研究[J]. 浙江农业学报, 2017, 29(8): 1329-1335.

XIAO Yi, FENG Lang, WANG Peng, ZHANG Xin, LI Qiquan, WANG Yong, CHEN Yulan, LUO Lin, WANG Changquan. Study on spatial variability of soil available nutrients in tobacco planting soil in Yanyuan County[J]. , 2017, 29(8): 1329-1335.

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盐源县植烟土壤速效养分空间变异特征研究

Study on spatial variability of soil available nutrients in tobacco planting soil in Yanyuan County

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