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Research Article
R.L. Choudhary
ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, Rajasthan (India)
Corresponding Author
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Conservation Agriculture (CA) practices getting space world-wide to answer many emerging challenges like; declining factor productivity, deteriorating soil health, water scarcity, climate change, and farm profitability and sustainability. Oilseed brassica (Indian mustard, Brassica juncea L.), a winter oilseed grown under rainfed agro-ecosystem vulnerable to low yields, high production cost, degrading soil and water quality, and climatic vagaries. The present study was undertaken on CA-based sustainable intensification of Indian mustard for enhancing inputs efficiencies, farm profitability and sustainability. Permanent beds with residue retention (PB+R) improved mustard equivalent yield (11.4%) and system grain yield (10.6%) compared to conventional tillage without residue (CT-R). Maize-mustard (Mz-M) increased system grain yield (142.9%) as well as mustard equivalent yield (60.7%) compared to fallow-mustard (F-M). Mz-M system under PB+R increased sustainable yield index (376.5%), production efficiency (177.2%), economic efficiency (94%) and irrigation water productivity (66%) compared to F-M under CT-R. PB+R increased soil organic carbon (SOC) stock at 0-15 cm (17.7%) and 15-30 cm (29.5%) soil depth compared to CT-R. Intensification of F-M system with green gram–mustard (GG-M) improved SOC at 0-15 cm (27.4%) and 15-30 cm (20.5%) compared to F-M. CA-based cluster bean-mustard/GG-M system increased N productivity, whereas, P and K productivity improved with Mz-M system compared to F-M under CT-R. Thus, CA-based Mz-M system should be out-scaled in the traditional rainfed fallow-mustard system to improve the farm production and income on holistic basis to make the country self-sufficient in edible oils.
Keywords
Conservation Agriculture (CA), Oilseed brassica (Indian mustard, Brassica juncea L.), Maize-mustard (Mz-M)
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On 13 Jan, 2021
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This preprint is under consideration at Scientific Reports. A preprint is a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
R.L. Choudhary
ICAR-Directorate of Rapeseed-Mustard Research, Bharatpur, Rajasthan (India)
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Under Review
Version 1
Posted 04 Jan, 2021
Community comments: 7
Editorial decision: Major revision
On 08 Mar, 2021
Reviews received
Received 02 Mar, 2021
Reviewers agreed
On 02 Mar, 2021
Reviews received
Received 29 Jan, 2021
Reviewers agreed
On 16 Jan, 2021
Reviewers agreed
On 13 Jan, 2021
Reviewers agreed
On 13 Jan, 2021
Reviewers agreed
On 12 Jan, 2021
Reviewers invited
Invitations sent on 12 Jan, 2021
Editor assigned
On 12 Jan, 2021
Editor invited
On 24 Dec, 2020
Submission checks complete
On 24 Dec, 2020
First submitted
On 22 Dec, 2020
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Conservation Agriculture (CA) practices getting space world-wide to answer many emerging challenges like; declining factor productivity, deteriorating soil health, water scarcity, climate change, and farm profitability and sustainability. Oilseed brassica (Indian mustard, Brassica juncea L.), a winter oilseed grown under rainfed agro-ecosystem vulnerable to low yields, high production cost, degrading soil and water quality, and climatic vagaries. The present study was undertaken on CA-based sustainable intensification of Indian mustard for enhancing inputs efficiencies, farm profitability and sustainability. Permanent beds with residue retention (PB+R) improved mustard equivalent yield (11.4%) and system grain yield (10.6%) compared to conventional tillage without residue (CT-R). Maize-mustard (Mz-M) increased system grain yield (142.9%) as well as mustard equivalent yield (60.7%) compared to fallow-mustard (F-M). Mz-M system under PB+R increased sustainable yield index (376.5%), production efficiency (177.2%), economic efficiency (94%) and irrigation water productivity (66%) compared to F-M under CT-R. PB+R increased soil organic carbon (SOC) stock at 0-15 cm (17.7%) and 15-30 cm (29.5%) soil depth compared to CT-R. Intensification of F-M system with green gram–mustard (GG-M) improved SOC at 0-15 cm (27.4%) and 15-30 cm (20.5%) compared to F-M. CA-based cluster bean-mustard/GG-M system increased N productivity, whereas, P and K productivity improved with Mz-M system compared to F-M under CT-R. Thus, CA-based Mz-M system should be out-scaled in the traditional rainfed fallow-mustard system to improve the farm production and income on holistic basis to make the country self-sufficient in edible oils.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
Figure 7
The full text of this article is available to read as a PDF.
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