伊犁河谷平原雨养旱地土壤水稳性团聚体特征

doi:10.14088/j.cnki.issn0439-8114.2020.01.011

湖北农业科学 ›› 2020, Vol. 59 ›› Issue (1): 54-57.doi: 10.14088/j.cnki.issn0439-8114.2020.01.011

伊犁河谷平原雨养旱地土壤水稳性团聚体特征

陈传信¹, 张永强¹, 薛丽华¹, 雷钧杰¹, 陈兴武¹, 夏麦丁·阿巴斯², 刘云霄³, 刘新艳³, 吴伟³, 库勒达那·卡达尔江⁴, 赛力汗·赛¹

1. 新疆农业科学院粮食作物研究所,乌鲁木齐 830091;
2. 新疆农业大学草业与环境科学学院,乌鲁木齐 830052;
3. 新源县农业技术推广站,新疆伊犁 835800;
4. 托里县农业技术推广站,新疆塔城 834500

收稿日期:2019-06-10 出版日期:2020-01-10 发布日期:2020-01-10
通讯作者: 赛力汗·赛（1975-）,男,新疆乌鲁木齐人,副研究员,主要从事作物栽培与耕作技术研究,（电子信箱）sailihan777@sina.com。
作者简介:陈传信（1988-）,男,河南商丘人,研究实习员,主要从事粮食作物高产栽培与耕作研究,（电话）17690736595（电子信箱）lixp618@163.com
基金资助:
农业部公益性行业科研专项（201503116）

Characteristics of soil water-aggregates in rain-fed drylands in the plain of Yili valley

CHEN Chuan-xin¹, ZHANG Yong-qiang¹, XUE Li-hua¹, LEI Jun-jie¹, CHEN Xing-wu¹, XIAMAIDING Abasi², LIU Yun-xiao³, LIU Xin-yan³, WU-Wei³, KULEDANA Kadaerjiang⁴, SAILIHAN Sai¹

1. Research Institute of Grain Crops,Xinjiang Academy of Agricultural Sciences,Urumqi 830091,China;
2. College of Pratacultural and Environmental Science,Xingjian Agriculture University,Urumqi 830052,China;
3. Station of Spreading Agriculture Techniques of Xinyuan County,Yili 835800,Xinjiang,China;
4. Station of Spreading Agriculture Techniques of Tory County,Tacheng 834500,Xinjiang,China

Received:2019-06-10 Online:2020-01-10 Published:2020-01-10

摘要/Abstract

摘要： 采取湿筛法测定分析新疆旱地麦田不同产量水平土壤团聚体特征。结果表明,不同产量水平麦田土壤各级粒径水稳性团聚体存在差异。高产田地块土壤>5 mm粒级团聚体显著高于中产田和低产田,分别增加45.18%、52.72%;高产田和中产田地块土壤0.25~0.5 mm粒级的团聚体显著高于低产田,分别增加45.70%、51.15%;低产田<0.25 mm粒级土壤团聚体分别较高产田、中产田显著增加36.34%、8.84%。高产田>0.25 mm粒径土壤大团聚体含量达68.30%,比中产田和低产田分别增加13.29%、20.29%。土壤团聚体平均重量直径（MWD）、几何平均直径（GMD）均表现为高产田>中产田>低产田,分形维数则表现相反。土壤团聚体分形维数与MWD、GMD、>5 mm粒级含量呈极显著负相关,而与<0.25 mm呈极显著正相关。MWD、GMD与>5 mm粒级呈极显著正相关,而与<0.25 mm粒级呈极显著负相关。

关键词: 雨养旱地, 土壤团聚体, 伊犁河谷

Abstract: The characteristics of soil aggregates under different yield levels in dry wheat fields in Xinjiang were analyzed by wet sieve method. The results showed that there were differences in the size of water stable aggregates in soil at different yield levels. The soil aggregates of >5 mm particle in high-yield field soil were significantly higher than those of medium-yield and low-yield fields, increased by 45.18% and 52.72%, respectively; The soil aggregates of 0.25~0.5 mm particle in high-yield fields and medium-yield fields were significantly higher than those in low-yield fields, increased by 45.70% and 51.15% respectively; The soil aggregates of <0.25 mm grain in low-yield fields increased significantly by 36.34% and 8.84% compared with high-yield fields and medium-yield fields. The content of large aggregates in the soil of >0.25 mm particle size in high yield field reached 68.30%, increased by 13.29% and 20.29% respectively over the middle and low yield fields. The mean weight diameter （MWD） and geometric mean diameter （GMD） of soil all showed that high-yield fields was the highest, medium-yield fields was second, and low-yield fields was the lowest. But the fractal dimension is opposite. The fractal dimension of soil was significantly negatively correlated with MWD, GMD and the soil aggregates of >5 mm particle, and was significantly positively correlated with <0.25 mm particle. MWD, GMD were significantly positively correlated with the soil aggregates of >5 mm particle, and significantly negatively correlated with the soil aggregates of <0.25 mm particle.

Key words: rain-fed dryland, aggregates, Yili valley

中图分类号:

S152

陈传信, 张永强, 薛丽华, 雷钧杰, 陈兴武, 夏麦丁·阿巴斯, 刘云霄, 刘新艳, 吴伟, 库勒达那·卡达尔江, 赛力汗·赛. 伊犁河谷平原雨养旱地土壤水稳性团聚体特征[J]. 湖北农业科学, 2020, 59(1): 54-57.

CHEN Chuan-xin, ZHANG Yong-qiang, XUE Li-hua, LEI Jun-jie, CHEN Xing-wu, XIAMAIDING Abasi, LIU Yun-xiao, LIU Xin-yan, WU-Wei, KULEDANA Kadaerjiang, SAILIHAN Sai. Characteristics of soil water-aggregates in rain-fed drylands in the plain of Yili valley[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(1): 54-57.

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伊犁河谷平原雨养旱地土壤水稳性团聚体特征

Characteristics of soil water-aggregates in rain-fed drylands in the plain of Yili valley

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