Influence of organic amendment on soil respiration and maize productivity in a semi-arid environment

Shirley Lamptey; Junhong Xie; Lingling Li; Jeffrey A. Coulter; Padma Shanthi Jagadabhi

doi:10.3390/agronomy9100611

Influence of organic amendment on soil respiration and maize productivity in a semi-arid environment

Shirley Lamptey, Junhong Xie, Lingling Li, Jeffrey A. Coulter, Padma Shanthi Jagadabhi

Agronomy and Plant Genetics

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Soil degradation and C emissions are a threat to sustainable agriculture in many arid and semi-arid areas. For sustainable agriculture, the influence of soil amendments on crop production and soil respiration has been a key focus of research. A three-year field study to assess how soil amendments influence soil properties, soil respiration (Rs), and yield of maize (Zea mays L.) was conducted. Treatments were: no amendment (NA), chemical fertilizer (CF), swine (Sus scrofa L.) manure (SM), maize stover (MS), and swine manure + chemical fertilizer (SC). Soil amendment (CF, SM, MS, and SC) consistently produced greatest grain yield and aboveground biomass, which averaged 38 and 34% greater than NA, respectively. No amendment reduced Rs by an average of 12% compared to amendment treatments. Enhanced grain yield with soil amendment resulted in increased carbon emission efficiency (CEE) with SC>MS>CF>SM>NA. Across years, SC decreased soil bulk density by 13% and increased CEE, soil total C, and soil hydraulic conductivity by 52, 19, and 21%, respectively, compared to NA. These results demonstrate the viability of swine manure + chemical fertilizer at 200 kg N ha^-1 as a soil amendment for improved CEE and advancing sustainable maize production in semi-arid rainfed environments.

Original language	English (US)
Article number	611
Journal	Agronomy
Volume	9
Issue number	10
DOIs	https://doi.org/10.3390/agronomy9100611
State	Published - Oct 3 2019

Bibliographical note

Funding Information:
The research was funded by the Research Program of the Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University (GSCS-2019-Z04 and GSCS-2017-4), the National Natural Science Foundation of China (31761143004 and 31660373), and the Department of Education of Gansu Province (2017C-12).

Funding Information:
Acknowledgments: The research was funded by the Research Program of the Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University (GSCS‐2019‐Z04 and GSCS‐2017‐4), the National Natural Science Foundation of China (31761143004 and 31660373), and the Department of Education of Gansu Province (2017C‐12).

Publisher Copyright:
© 2019 by the authors.

Keywords

Carbon emission efficiency
Chemical fertilizer
Maize
Soil amendment
Soil respiration

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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abstract = "Soil degradation and C emissions are a threat to sustainable agriculture in many arid and semi-arid areas. For sustainable agriculture, the influence of soil amendments on crop production and soil respiration has been a key focus of research. A three-year field study to assess how soil amendments influence soil properties, soil respiration (Rs), and yield of maize (Zea mays L.) was conducted. Treatments were: no amendment (NA), chemical fertilizer (CF), swine (Sus scrofa L.) manure (SM), maize stover (MS), and swine manure + chemical fertilizer (SC). Soil amendment (CF, SM, MS, and SC) consistently produced greatest grain yield and aboveground biomass, which averaged 38 and 34% greater than NA, respectively. No amendment reduced Rs by an average of 12% compared to amendment treatments. Enhanced grain yield with soil amendment resulted in increased carbon emission efficiency (CEE) with SC>MS>CF>SM>NA. Across years, SC decreased soil bulk density by 13% and increased CEE, soil total C, and soil hydraulic conductivity by 52, 19, and 21%, respectively, compared to NA. These results demonstrate the viability of swine manure + chemical fertilizer at 200 kg N ha-1 as a soil amendment for improved CEE and advancing sustainable maize production in semi-arid rainfed environments.",

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note = "Funding Information: The research was funded by the Research Program of the Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University (GSCS-2019-Z04 and GSCS-2017-4), the National Natural Science Foundation of China (31761143004 and 31660373), and the Department of Education of Gansu Province (2017C-12). Funding Information: Acknowledgments: The research was funded by the Research Program of the Gansu Provincial Key Laboratory of Aridland Crop Science, Gansu Agricultural University (GSCS‐2019‐Z04 and GSCS‐2017‐4), the National Natural Science Foundation of China (31761143004 and 31660373), and the Department of Education of Gansu Province (2017C‐12). Publisher Copyright: {\textcopyright} 2019 by the authors.",

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N2 - Soil degradation and C emissions are a threat to sustainable agriculture in many arid and semi-arid areas. For sustainable agriculture, the influence of soil amendments on crop production and soil respiration has been a key focus of research. A three-year field study to assess how soil amendments influence soil properties, soil respiration (Rs), and yield of maize (Zea mays L.) was conducted. Treatments were: no amendment (NA), chemical fertilizer (CF), swine (Sus scrofa L.) manure (SM), maize stover (MS), and swine manure + chemical fertilizer (SC). Soil amendment (CF, SM, MS, and SC) consistently produced greatest grain yield and aboveground biomass, which averaged 38 and 34% greater than NA, respectively. No amendment reduced Rs by an average of 12% compared to amendment treatments. Enhanced grain yield with soil amendment resulted in increased carbon emission efficiency (CEE) with SC>MS>CF>SM>NA. Across years, SC decreased soil bulk density by 13% and increased CEE, soil total C, and soil hydraulic conductivity by 52, 19, and 21%, respectively, compared to NA. These results demonstrate the viability of swine manure + chemical fertilizer at 200 kg N ha-1 as a soil amendment for improved CEE and advancing sustainable maize production in semi-arid rainfed environments.

AB - Soil degradation and C emissions are a threat to sustainable agriculture in many arid and semi-arid areas. For sustainable agriculture, the influence of soil amendments on crop production and soil respiration has been a key focus of research. A three-year field study to assess how soil amendments influence soil properties, soil respiration (Rs), and yield of maize (Zea mays L.) was conducted. Treatments were: no amendment (NA), chemical fertilizer (CF), swine (Sus scrofa L.) manure (SM), maize stover (MS), and swine manure + chemical fertilizer (SC). Soil amendment (CF, SM, MS, and SC) consistently produced greatest grain yield and aboveground biomass, which averaged 38 and 34% greater than NA, respectively. No amendment reduced Rs by an average of 12% compared to amendment treatments. Enhanced grain yield with soil amendment resulted in increased carbon emission efficiency (CEE) with SC>MS>CF>SM>NA. Across years, SC decreased soil bulk density by 13% and increased CEE, soil total C, and soil hydraulic conductivity by 52, 19, and 21%, respectively, compared to NA. These results demonstrate the viability of swine manure + chemical fertilizer at 200 kg N ha-1 as a soil amendment for improved CEE and advancing sustainable maize production in semi-arid rainfed environments.

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Influence of organic amendment on soil respiration and maize productivity in a semi-arid environment

Abstract

Bibliographical note

Keywords

UN SDGs

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