Impact of green manure and weeds on selected soil health indicators in an organic grain cropping system in Nova Scotia

被引：1
|
作者：
McNeil, Morgan O. [1 ]
Lynch, Derek H. [1 ]
Alam, Mohammed Z. [1 ]
Mills, Aaron [2 ]
Marshall, Carolyn B. [3 ]
机构：
[1] Dalhousie Univ, Fac Agr, Dept Plant Food & Environm Sci, Truro, NS B2N 5E3, Canada
[2] Agr & Agrifood Canada, Res & Dev Ctr, Charlottetown, PE C1A 4N6, Canada
[3] Nova Scotia Federat Agr, East Mt, NS B6L 2Z2, Canada
来源：
CANADIAN JOURNAL OF PLANT SCIENCE | 2023年 / 103卷 / 05期
基金：
加拿大自然科学与工程研究理事会;
关键词：
green manure; weed biomass; organic soil health; microbial respiration; phospholipid fatty acid analysis; MANAGEMENT;
D O I：
10.1139/cjps-2023-0004
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The green manure residual effect on soil health 2 years later in crop rotation is understudied. Little is known about weed biomass impact on soil microbial communities or their interactions. A Colchester County, NS, Canada, organic grain research trial during 2016-2017 comprised 2 or 3-year rotations with or without green manure crop prior to wheat, and then soybeans. Fall soil sampling was conducted both years. The soybean phase of the crop rotation was managed as weedy or non-weedy. Weedy soil showed significantly increased soil respiratory activity and fungal microbial biomass. Green manure treatments did not significantly influence soil health indicators.
引用
收藏
页码：507 / 511
页数：5
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