Cover crops and chicken grazing in a winter fallow field improve soil carbon and nitrogen contents and decrease methane emissions.

Abstract:

:Using symbiotic farming methods [cover crops and chicken grazing (+ C)] in a winter fallow field, we found that the soil organic matter and total nitrogen of the + C treatment were 5.2% and 26.6% higher, respectively, than those of a treatment with cover crops and no chicken grazing (- C). The annual rice grain yield of the + C treatment was 3.8% higher than that of the - C treatment and 12.3% higher than that of the bare fallow field (CK), while the annual CH4 emissions of the + C treatment were 26.9% lower than those of the - C treatment and 10.6% lower than those of the CK treatment. The 100-year global warming potential of the + C treatment was 6.2% lower than that of the - C treatment. Therefore, the use of winter cover crops and chicken grazing in a winter fallow field was effective at reducing CH4 emissions and significantly improving soil nutrients and rice yield.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Zheng H,Zhou L,Wei J,Tang Q,Zou Y,Tang J,Xu H

doi

10.1038/s41598-020-69407-y

subject

Has Abstract

pub_date

2020-07-28 00:00:00

pages

12607

issue

1

issn

2045-2322

pii

10.1038/s41598-020-69407-y

journal_volume

10

pub_type

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