稻草不同还田方式对土壤动物群落结构的影响

doi:10.3969/j.issn.1004-1524.2019.03.15

浙江农业学报 ›› 2019, Vol. 31 ›› Issue (3): 450-457.DOI: 10.3969/j.issn.1004-1524.2019.03.15

稻草不同还田方式对土壤动物群落结构的影响

苟丽琼¹, 姚恒², 王戈³, 黄如成⁴, 段均华⁴, 肖玖金^4,*, 张健⁴

1.四川农业大学理学院,四川雅安 625014;
2.广元市朝天区林业和园林局,四川广元 628012;
3.四川九顶山省级自然保护区什邡管理站,四川什邡618400;
4.四川农业大学生态林业研究所,四川温江 611130

收稿日期:2018-09-20 出版日期:2019-03-25 发布日期:2019-04-08
通讯作者: *肖玖金,E-mail: j.xiao@sicau.edu.cn
作者简介:苟丽琼(1994—),女,四川巴中人,硕士研究生,主要从事生物资源化学评价方面的研究。E-mail: gliqiong@163.com
基金资助:
国家自然科学基金青年科学基金(31400457); 长江上游生态安全协同创新中心开放基金; 四川省景观与游憩研究中心资助项目(JGYQ2018032)

Effects of different straw returning methods on cropland soil fauna community

GOU Liqiong¹, YAO Heng², WANG Ge³, HUAGN Rucheng⁴, DUAN Junhua⁴, XIAO Jiujin^4,*, ZHANG Jian⁴

1. College of Science, Sichuan Agricultural University, Ya'an 625014, China;
2. The Forestry and Landscape Bureau in Guangyuan City, Guangyuan 628012, China;
3. Shifang Monitoring Station of Jiuding Mountain Provincial Natural Reserve of Sichuan, Shifang 618400, China;
4. Institute of Ecological Forestry, Sichuan Agricultural University, Wenjiang 611130, China

Received:2018-09-20 Online:2019-03-25 Published:2019-04-08

摘要/Abstract

摘要： 为研究稻草不同还田方式下的土壤动物群落结构特征,以未进行稻草还田处理作为对照,采用大型手捡和干、湿漏斗法,于2016年6月和9月(稻草还田后2个月和5个月),对稻草焚烧、覆盖、填埋3种还田方式下的土壤动物群落特征进行调查。结果显示:调查获得的土壤动物隶属于50个类群,各处理下均以线虫纲为优势类群。还田后,稻草覆盖处理的土壤动物密度较对照显著(P<0.05)提高,但二者动物类群数无显著差异。与对照相比,还田2个月后,各处理土壤动物的多样性指数间无显著差异;但还田5个月后,稻草覆盖和填埋处理的土壤动物优势度指数显著(P<0.05)高于对照。说明恰当的稻草还田方式有利于改善土壤动物群落结构。

关键词: 稻草还田, 土壤动物, 群落结构, 多样性

Abstract: To reveal the effects of different straw returning methods on cropland soil fauna community, an experiment with four straw returning methods, i.e., drop the rice straw after burning over the surface of the soil (FS), cover with chopped rice straw on top of the soil (FG), bury the chopped rice straw (TM), and no straw returning (CK), was carried out in the Puyang Town of Dujiangyan in June and September in 2016. The soil fauna collected were classified into 50 taxonomic groups, among which Nematoda was the dominant species. The soil fauna density under FG was significantly (P<0.05) increased than CK, but there was no significant difference in the quantity of soil fauna communities. Two months after straw returning, there was no significant difference in biodiversity indexes within treatments. However, 5 months after straw returning, the dominance index of FG and TM treatments was significantly (P<0.05) higher than that of CK. These results indicated that proper straw returning could improve soil fauna community.

Key words: straw returning, soil fauna, community structure, diversity

中图分类号:

S154.1

苟丽琼, 姚恒, 王戈, 黄如成, 段均华, 肖玖金, 张健. 稻草不同还田方式对土壤动物群落结构的影响[J]. 浙江农业学报, 2019, 31(3): 450-457.

GOU Liqiong, YAO Heng, WANG Ge, HUAGN Rucheng, DUAN Junhua, XIAO Jiujin, ZHANG Jian. Effects of different straw returning methods on cropland soil fauna community[J]. , 2019, 31(3): 450-457.

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稻草不同还田方式对土壤动物群落结构的影响

Effects of different straw returning methods on cropland soil fauna community

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