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Soil biological properties and fungal diversity under conservation agriculture in Indo-Gangetic Plains of India

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Title Soil biological properties and fungal diversity under conservation agriculture in Indo-Gangetic Plains of India
 
Creator Choudhary, Madhu
Sharma, Parbodh Chander
Jat, Hanuman Sahay
McDonald, Andrew J.
Jat, Mangi Lal
Choudhary, Sharda
Garg, Neelam
 
Subject climate change
agriculture
food security
soil biology
conservation agriculture
 
Description A field experiment was undertaken to evaluate the effect of conservation agriculture (CA) based management on soil biological properties, and on fungal diversity and abundance after 5 years of continuous cultivation. Treatments included four crop managements viz., conventional tillage (CT) rice-wheat (CT-RW; CT based), conventional tillage rice-zero tillage wheat and mungbean (CTR-ZTWMb; partially CA based), zero tillage rice-wheat-mungbean (ZT-RWMb; full CA based), and zero tillage maize-wheatmungbean (ZT-MWMb; full CA based). Full rice, maize, and mungbean crop residue and anchored wheat
residue were recycled in CA-based managements, while CT-based management was without any residue. Full CA-based management (ZT-MWMb) recorded 43% higher organic carbon, 56% microbial biomass carbon, 70% microbial biomass nitrogen, 73% phosphatase activity, and 40% β-glucosidase activity, than CT-RW management. Ascomycota (55-74%) was the dominant phylum followed by Basidiomycota and Glomeromycota (0 to 3%); abundance of these phyla varied amongst managements. Ascomycota abundance was in order of CT-RW< CTR-ZTWMb< ZT-RWMb< ZT-MWMb, however, Basidiomycota and Glomeromycota did not follow any trend. Diversity indices such as species richness, evenness and Shannon-Wiener diversity index were in the order: ZT-MWMb> ZT-RWMb> CTR-ZTWMb> CT-RW. This study clearly showed that CA with all three proven principles (no-tillage, residue retention and crop diversification) in maize-wheat-mungbean system resulted in higher microbial activities, fungal diversity and species richness compared to other cereal based management systems.
 
Date 2018-12
2019-12-09T18:53:47Z
2019-12-09T18:53:47Z
 
Type Journal Article
 
Identifier Choudhary M, Sharma PC, Jat HS, Hanuman S, McDonald A, Jat ML, Choudhary S, Garg N. 2018. Soil biological properties and fungal diversity under conservation agriculture in Indo-Gangetic Plains of India. Journal of Soil Science and Plant Nutrition 18(4):1142-1156.
0718-9516
https://hdl.handle.net/10568/106080
https://doi.org/10.4067/S0718-95162018005003201
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format p. 0-0
 
Publisher Springer Science and Business Media LLC
 
Source Journal of Soil Science and Plant Nutrition