Conversion of open pasture to hardwood silvopasture enhanced soil health of an ultisol

Black walnut ( Juglans nigra ) and honeylocust ( Gleditsia triacanthos ) have gained particular interest for use in silvopastures and other temperate agroforestry systems. However, measures of soil health indicators in these deciduous hardwood silvopastures over time have received limited attention....

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Published in:Agroforestry systems 2022-12, Vol.96 (8), p.1237-1247
Main Authors: Poudel, Sanjok, Bansal, Sangeeta, Podder, Swarup, Paneru, Bidur, Karki, Sangita, Fike, John, Kumar, Sandeep
Format: Article
Language:English
Subjects:
Actinomycetes
Agriculture
Agroforestry
Arbuscular mycorrhizas
Biomass
Biomedical and Life Sciences
Carbon
Community structure
Deciduous trees
Enzymatic activity
Fatty acids
Forestry
Gleditsia triacanthos
Glucosidase
Hardwoods
Heat shock proteins
Indicators
Juglans nigra
Life Sciences
Microorganisms
Nitrogen
Organic matter
Organic soils
Pasture
Phospholipids
Soil analysis
Soil improvement
Soil organic matter
Soil structure
Soils
Urease
β-Glucosidase
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Summary:Black walnut ( Juglans nigra ) and honeylocust ( Gleditsia triacanthos ) have gained particular interest for use in silvopastures and other temperate agroforestry systems. However, measures of soil health indicators in these deciduous hardwood silvopastures over time have received limited attention. This study assessed soil health indicators in 25-year-old black walnut- (BSP) and honeylocust-based silvopastures (HSP) and compared with those from adjacent open pasture (OP) systems. Soil samples collected from 0 to 10 cm depth were analyzed for soil organic matter (OM), carbon and nitrogen fractions, glomalin-related soil protein, soil enzymatic activities, and microbial community structure. The soil OM content in HSP (64 g kg −1 ) was greater ( p  
ISSN:0167-4366
1572-9680
DOI:10.1007/s10457-022-00783-2