Human-altered soils–Signatures of Anthrosols and their potential for arable lands  

作　　者：Michael O.Asare Wazi Apoh Jerry Owusu Afriyie Jiřina Száková Dinkayehu Alamnie Asrade 

机构地区：[1]Department of Agroenvironmental Chemistry and Plant Nutrition,Faculty of Agrobiology Food and Natural Resources,Czech University of Life Sciences,Kamýcká129,CZ-16521 Prague 6,Czech Republic [2]Department of Archaeology and Heritage Studies,University of Ghana,P.O.Box L.G.3,Legon,Ghana [3]Department of Animal Science and Food Processing in the Tropics,Faculty of Tropical AgriSciences,Czech University of Life Sciences,Prague,Kamycka 129,Prague 6–Suchdol CZ1651400,Czech Republic

出　　处：《Soil Ecology Letters》2023年第3期109-121,共13页土壤生态学快报（英文）

基　　金：MOA and JS were financially supported by the Nutrisk project(European Regional Development Fund−Project No.CZ.02.1.01/0.0/0.0/16_019/0000845).

摘　　要：The fertility of human-altered soils,Anthrosols,developed from past settlement activities for crop production is scarcely studied.The study evaluated the fertility of Anthrosols developed from the 15th to mid-20th century AD settlement in Old Buipe,Savanna region,Ghana,to determine whether abandoned localities are suitable for arable fields.Human activities enhanced the physical attributes of the Anthrosols:brown to dark brown intergrain fine soil,15%−35%organic matter,15%−30%potsherd,and 5%−15%charred materials.The Anthrosols were slightly acidic to neutral reactions(pH_([H_(2)O])5.67−6.83,pH_([cacl_(2)])5.83−6.95),high cation exchange capacity(CEC;18.77−45.31me/100 g),electric conductivity(EC=0.28−0.36 dS m^(−1)),accumulation,and distribution of organic C,total N,P,Mn,Cu,Zn,K,and Fe,and available P,K,Ca,Mg,S,Mn,Fe,Cu,and Zn.Plant-available nutrients were comparatively higher than concentrations in non-anthropogenic soils.The level of releasability(bioavailable fractions of total concentrations)of P,K,Ca,Mn,Fe,Cu,and Zn partly compensates for low plant-available portions.Enrichment of chemical and physical properties of Anthrosols make them fertile for arable fields.The signatures of settlement activities are strong and can remain in soils for a long time,even under harsh environmental conditions.

关 键 词：arable field Anthrosols organic matter physical properties releasability settlement activities 

分 类 号：S15[农业科学—土壤学]