加拿大魁北克西南部农田瓷砖排水沟周围的蚯蚓分布

IF 1.5 4区农林科学 Q4 SOIL SCIENCE

Canadian Journal of Soil Science Pub Date : 2022-11-25 DOI:10.1139/cjss-2022-0059

H. Diop, Leanne Ejack, A. Elmi, J. Whalen

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引用次数: 0

摘要

在农田中安装瓦片排水系统是为了去除多余的土壤水分，以便提前种植春季作物。水从土壤流入瓷砖排水管道，可能会为蚯蚓创造一个潮湿的环境。本研究考察了蚯蚓是如何分布在瓦线周围的，以及它们的丰度如何受到沙质和粘性土壤上大田作物水分的影响。蚯蚓数量和土壤湿度在瓦线以上和瓦线之间相似。蚯蚓生物量在干燥土壤中较低，在水分100 g−1时达到最大值41 g，在湿润土壤中下降，这影响了农田蚯蚓的活动。

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Earthworm distribution around tile drainage in agricultural fields of southwest Quebec, Canada

Abstract Tile drainage is installed in agricultural fields to remove excess soil moisture to allow earlier planting of spring crops. Water moving from soil into tile drainage lines will potentially create a moist environment for earthworms. This study investigated how earthworms were distributed around tile lines, and how their abundance was affected by moisture in field crops on sandy and clayey soils. Earthworm abundance and soil moisture were similar above and between tile lines. Earthworm biomass was low in dry soils, peaked at 41 g moisture 100 g−1, and declined in wetter soils, which affects the earthworm activity in agricultural fields.

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来源期刊

Canadian Journal of Soil Science 农林科学-土壤科学

CiteScore

2.90

自引率

11.80%

发文量

审稿时长

6.0 months

期刊介绍： The Canadian Journal of Soil Science is an international peer-reviewed journal published in cooperation with the Canadian Society of Soil Science. The journal publishes original research on the use, management, structure and development of soils and draws from the disciplines of soil science, agrometeorology, ecology, agricultural engineering, environmental science, hydrology, forestry, geology, geography and climatology. Research is published in a number of topic sections including: agrometeorology; ecology, biological processes and plant interactions; composition and chemical processes; physical processes and interfaces; genesis, landscape processes and relationships; contamination and environmental stewardship; and management for agricultural, forestry and urban uses.