Effect of Conservation Agriculture on Stratification of Soil Organic Matter Under Cereal-Based Cropping Systems

Patra, Sridhar, Julich, Stefan, Feger, Karl-Heinz, Jat, Mangi Lal, Sharma, P. C. and Schwärzel, Kai, (2019). Effect of Conservation Agriculture on Stratification of Soil Organic Matter Under Cereal-Based Cropping Systems. Archives of Agronomy and Soil Science, n/a-n/a

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  • Sub-type Journal article
    Author Patra, Sridhar
    Julich, Stefan
    Feger, Karl-Heinz
    Jat, Mangi Lal
    Sharma, P. C.
    Schwärzel, Kai
    Title Effect of Conservation Agriculture on Stratification of Soil Organic Matter Under Cereal-Based Cropping Systems
    Appearing in Archives of Agronomy and Soil Science
    Publication Date 2019-03-06
    Place of Publication London
    Publisher Taylor & Francis
    Start page n/a
    End page n/a
    Language eng
    Abstract Degradation of soil quality caused by conventional tillage practices is a major concern for the sustainability of rice-wheat cropping systems in South Asian region. Therefore, suitable conservation agriculture (CA) practices are required. This study investigates the stratification and storage of soil organic carbon (SOC) and total nitrogen (TN) as affected by eight years of different CA practices in the North-West Indo-Gangetic Plains of India. There were four treatments: (1) conventionally tilled rice-wheat cropping system, (2) reduced-till CA-based rice-wheat-mungbean system, (3) no-till CA-based rice-wheat-mungbean system, and (4) no-till CA-based maize-wheat-mungbean system. The mean stratification ratio (SR) (i.e. a ratio of the concentrations of SOC and TN in the soil surface to those in a deeper layer) of SOC and TN for 0–5:5–10, 10–15, 15–20, 20–25 and 25–30 cm were found higher (> 2) under CA practices compared to intensive tillage-based conventional agricultural practice (< 2). No-till CA-based rice-wheat-mungbean system stored the highest amount of SOC (25.32 Mg ha−1) whereas reduced till CA-based rice-wheat-mungbean system stored highest amount of TN (3.21 Mg ha−1) at 0–30 cm soil depth. This study shows that CA stratifies SOC and TN and helps to enhance SOC sequestration and soil quality.
    Keyword conservation agriculture
    soil organic carbon
    soil total nitrogen
    storage
    stratification ratio
    Indo-Gangetic Plains
    Copyright Holder Taylor & Francis
    Copyright Year 2019
    Copyright type All rights reserved
    DOI 10.1080/03650340.2019.1588462
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    Created: Sat, 09 Mar 2019, 00:24:25 JST by Claudia Matthias on behalf of UNU FLORES