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Long-term maize straw substituted for chemical fertilizers promoted rice yield due to the altered soil properties in the red paddy soil
  • +8
  • Lian Zhang,
  • Kun Hou,
  • Qiong Zhang,
  • Shifu He,
  • Guangli Long,
  • Lichu Yin,
  • Hongmei Zhu,
  • Chang Tian,
  • Gongwen Luo,
  • Xiangmin Rong,
  • Yongliang Han
Lian Zhang
Hunan Agricultural University

Corresponding Author:[email protected]

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Kun Hou
Hunan Agricultural University
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Qiong Zhang
Hunan Agricultural University
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Shifu He
Hunan Agricultural University
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Guangli Long
Hunan Agricultural University
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Lichu Yin
Hunan Agricultural University
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Hongmei Zhu
Hunan Agricultural University
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Chang Tian
Hunan Agricultural University
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Gongwen Luo
Hunan Agricultural University
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Xiangmin Rong
Hunan Agricultural University
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Yongliang Han
Hunan Agricultural University
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Abstract

Despite straw application within rice agriculture being widely practiced, both in China and globally, there remain few studies on the maize straw substituted for chemical fertilizers. In this study, maize straw substituted for chemical fertilizers to a double-cropping rice field and compared the effects of medium (MS 9,600 kg·ha−1·year−1) and high (HS 19,200 kg·ha−1·year−1) application on rice yield and soil characteristics with that of the application of single chemical fertilizers (CF) over a period of 1982 to present. The yields of late and early rice increased by 42.66 and 25.04% in 2019 and 2020, respectively. The soil bulk density of MS and HS decreased significantly by 15.94 and 33.35% compared with that of CF, whereas total soil porosity increased significantly by 9.46 and 20.17%, respectively. Long-term straw application significantly improved the soil stable aggregates content (> 0.25 mm). Straw application increased soil urease, protease, alkaline phosphatase (ALP), acid phosphatase (ACP) and catalase activities, microbial biomass carbon (C), microbial biomass nitrogen (N), and soil nutrients content compared with CF, especially HS. Correlation analysis showed that double-cropping rice yield was highly significantly correlated with soil bulk density, total porosity, catalase, microbial biomass C, microbial biomass N, and available P. In conclusion, maize straw substituted for chemical fertilizers not only makes rational use of straw resources, but also improves soil characteristics to improve crop yield.
22 Dec 2021Submitted to Land Degradation & Development
23 Dec 2021Submission Checks Completed
23 Dec 2021Assigned to Editor
28 Dec 2021Review(s) Completed, Editorial Evaluation Pending
28 Jan 20221st Revision Received
31 Jan 2022Submission Checks Completed
31 Jan 2022Assigned to Editor
14 Mar 2022Review(s) Completed, Editorial Evaluation Pending
14 Mar 2022Editorial Decision: Revise Major
30 Mar 20222nd Revision Received
30 Mar 2022Submission Checks Completed
30 Mar 2022Assigned to Editor
29 May 2022Review(s) Completed, Editorial Evaluation Pending
05 Jun 2022Editorial Decision: Revise Minor
21 Jun 20223rd Revision Received
21 Jun 2022Submission Checks Completed
21 Jun 2022Assigned to Editor
22 Jun 2022Review(s) Completed, Editorial Evaluation Pending
25 Jun 2022Editorial Decision: Revise Minor
30 Jun 20224th Revision Received
01 Jul 2022Submission Checks Completed
01 Jul 2022Assigned to Editor
02 Jul 2022Review(s) Completed, Editorial Evaluation Pending
05 Jul 2022Editorial Decision: Revise Minor
07 Jul 20225th Revision Received
08 Jul 2022Submission Checks Completed
08 Jul 2022Assigned to Editor
08 Jul 2022Review(s) Completed, Editorial Evaluation Pending
09 Jul 2022Editorial Decision: Accept