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Estimation of erosion induced nutrients loss under different land uses: A case study in Miandam Valley, Swat Pakistan

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International Journal of Agricultural and Biological Engineering 2021年第2期14卷 135-141页

作者： Nowsher Yousaf Bushra Khan Dennis C.Flanagan Ishaq Ahmad Mian Javaid Iqbal Irfan Rashid Salma Khalid nasreen ghaffar Sadaf Manzoor Muhammad Bilal Department of Environmental Sciences University of PeshawarKhyber Pakhtunkhwa 25120Pakistan USDA-Agricultural Research Service National Soil Erosion Research LaboratoryPurdue UniversityWest LafayetteIN 47907USA Department of Soil and Environmental Sciences The University of AgriculturePeshawarKhyber Pakhtunkhwa 25000Pakistan Department of Botany University of KashmirSrinagarJ&K 190006India Prime Institute of Public Health Prime FoundationRiphah International UniversityIslamabad 44000Pakistan Islamia College Peshawar Khyber Pakhtunkhwa 25120Pakistan

In order to design Sustainable Land Management(SLM)plans or interventions it is important to understand the land use change and subsequent *** basic aim of this study was to assess the impact of land use land cover(LULC)change on soil physico-chemical properties and nutrients loss under different land use/land cover changes within Miandam watershed of Swat valley,*** study area was divided into three major types on the basis LULC type(Dense forest,Moderate forest and Agriculture land).A total of 81 soil samples were collected from the study area(27 from each land use)through stratified random sampling and were transferred to the *** prepared soil samples were then tested for various physico-chemical properties such as pH,electrical conductivity,contents of organic matter,organic carbon,sand,silt,clay,nitrogen,phosphorus,potassium,iron,copper and *** showed that LULC significantly affected all soil parameters except electrical conductivity and *** all the nutrients assessed,the enrichment ratio was greater than 1 which showed that the most fertile layer of the soil in the cropped areas was transported through soil *** this study,time-series satellite images were used to determine the spatiotemporal changes in the LULC of Miandam valley of Swat,Pakistan,and the possible effect of LULC on soil properties was *** information generated on the soil properties as indicators of soil health could be used to inform the stakeholders about the effect of LULC change in the study ***-temporal image acquired by Landsat sensors for the year 2018 was used for quantifying changes in the study *** Landsat images for the year 2018 were classified into six land cover/land use *** increase in agricultural activities caused an increase in the land farming areas which led to an increase in the rate of deforestation in the ***,the present study results reveal that the use of the soil for agriculture i

关键词： land use/land cover soil properties soil nutrients Miandam Swat valley

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