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Land use effect on soil organic carbonstock, microbial biomass and basalrespiration in Bundelkhand region of central India

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Title Land use effect on soil organic carbonstock, microbial biomass and basalrespiration in Bundelkhand region of central India
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Creator Nongmaithem Raju Singh, Dhiraj Kumar, A.K. Handa, Ram Newaj, Mahendra Prasad, Kamini, Naresh, Kumar, Asha Ram, Inder Dev, B.P. Bhatt and O.P. Chaturvedi
 
Subject Acacia nilotica, Agroforestry system, Climate change, Soil organic carbon stocks, Principal component analysis (PCA)
 
Description Not Available
A field experiment was conducted at Indian Council of Agricultural Research (ICAR), Central Agroforestry
Research India, Jhansi (U.P.), India, to assess the effect of land use on soil organic carbon stocks (SOCs), microbial biomass carbon (MBC) and basal respiration by selecting sixteen land uses including one cropland system. The results revealed that agroforestry system (AFS) performed better as compared to other land use systems. Acacia nilotica-based AFS has the highest SOCs (23.39 Mg ha-1 ), followed by Dalbergia sissoo-based AFS in 0–15 cm soil depth. Among the pure tree plantation, Jatropha curcas observed highest SOCs (15.78 Mg ha-1 ) in 0–15 cm soil depth. However, silvopasture system is able to build up (20.88 Mg ha-1
) more SOCs than pure tree plantation systems. Soil MBC was also recorded significantly higher under Acacia nilotica-based AFS (764.61 lg g-1 ) in 0–15 cm depth, while the basal respiration was highest under silvopasture system irrespective of SOCs and MBC. Overall, our study results indicated that the SOC in the different land use systems is not only influenced by difference in age and density of tree but also largely
controlled by different management practices adopted. The principal component analysis (PCA) data have shown that two major components (PC1 and PC2) have represented 70.90% of the total variation. And among the parameters, BR followed by soil organic carbon (SOC) was found to be the most sensitive factor while assessing the impact of land use changes on soil quality. We also found that SOCs, microbial biomass carbon and basal respiration have a strong correlation between each other
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Date 2021-11-23T05:42:36Z
2021-11-23T05:42:36Z
2021-01-01
 
Type Research Paper
 
Identifier Nongmaithem Raju Singh, Dhiraj Kumar, A.K. Handa, Ram Newaj, Mahendra Prasad, Kamini, Naresh, Kumar, Asha Ram, Inder Dev, B.P. Bhatt and O.P. Chaturvedi 2021 Land use effect on soil organic carbonstock, microbial biomass and basalrespiration in Bundelkhand region of central India Agricultural Research (Springer)
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http://krishi.icar.gov.in/jspui/handle/123456789/67667
 
Language English
 
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