?url_ver=Z39.88-2004&rft_id=1914181006&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PERILAKU+JERAPAN+FOSFOR+PADA+ELEVASI+DAN+KEDALAMAN%0D%0ATEPHRA+GUNUNG+ANAK+KRAKATAU+SETELAH+ERUPSI+TAHUN%0D%0A2018+DENGAN+MODEL+ISOTERMIK+LANGMUIR&rft.creator=ANISA+ARI%2C+FITRIANI&rft.subject=000+Ilmu+komputer%2C+informasi+dan+pekerjaan+umum&rft.subject=001+Ilmu+pengetahuan&rft.description=Tanah+yang+berbahan+vulkanik+seperti+tanah+Gunung+Anak+Krakatau+adalah+tanah%0D%0Ayang+relatif+subur%2C+namun+mempunyai+tingkat+jerapan+P+yang+tinggi+karena%0D%0Abanyak+mengandung+mineral+amorf.+Tanah+yang+berasal+dari+erupsi+mengalami%0D%0Atingkat+pelapukan+rendah+yang+dapat+dipengaruhi+oleh+adanya+perbedaan+elevasi%0D%0Adan+ke+dalam+tanah+sehingga+menunjukkan+perbedaan+perilaku+jerapan+P+pada%0D%0Atanah.+Penelitian+ini+bertujuan+untuk+menetapkan+dan+mempelajari+jerapan+fosfor%0D%0A(P)+pada+tanah+Gunung+Anak+Krakatau+setelah+erupsi+tahun+2018.+Sampel+tanah%0D%0Adiambil+pada+tahun+2019+di+sekitar+Gunung+Anak+Krakatau+yang+terletak+di+Selat%0D%0ASunda%2C+Lampung+Selatan.+Sampel+tanah+diambil+pada+masing-masing+profil+dan%0D%0Akedalaman%2C+yaitu+profil+1+%C2%B110+m+dpl+(0-35+cm+dan+35-65+cm)%2C+profil+2+%C2%B125+m+dpl%0D%0A(0-56+cm+dan+56-85)%2C+profil+3+%C2%B140+m+dpl+(0-50+cm+dan+59-67+cm+)+dan+profil+4+%C2%B147%0D%0A(0-23+cm+dan+23-27+cm).+Penetapkan+jerapan+fosfor+dilakukan+pada+Juni+2022-%0D%0AJanuari+2023+menggunakan+persamaan+Model+Isotermik+Langmuir+dilaksanakan%0D%0Adi+Laboratorium+Ilmu+Tanah+Fakultas+Pertanian+Universitas+Lampung.+Data+diuji%0D%0Adengan+menggunakan+uji+Student-t+dan+uji+korelasi.+Hasil+penelitian+menunjukkan%0D%0Apada+sampel+tanah+Profil+4+lapisan+2+memiliki+nilai+jerapan+maksimum+(Xmax)%0D%0Alebih+tinggi+dibandingkan+dengan+tanah+Profil+3%2C+Profil+2+dan+Profil+1+baik+lapisan%0D%0A1+dan+lapisan+2.+Hal+tersebut+menunjukkan+bahwa+semakin+tinggi+tempat+dan%0D%0Abertambahnya+kedalaman+tephra+Gunung+Anak+Krakatau+maka+nilai+jerapan%0D%0Amaksimum+(Xmax)+semakin+tinggi.+Nilai+KL+di+lapisan+1+cenderung+meningkat%0D%0Adengan+meningkatnya+elevasi+tempat+dan+pada+lapisan+2+cenderung+menurun%0D%0Adengan+meningkatnya+elevasi+tempat.%0D%0AKata+Kunci+%3A+Langmuir%2C+nilai+KL%2C+nilai+Xmax%2C+Student-t+%2C+Tanah+Gunung+Anak+Krakatau%0D%0A%0D%0ASoil+composed+of+volcanic+materials%2C+such+as+the+soil+of+Mount+Anak+Krakatau%2C+is%0D%0Arelatively+fertile+but+has+a+high+phosphorus+(P)+adsorption+capacity+due+to+the%0D%0Apresence+of+amorphous+minerals.+Soils+originating+from+volcanic+eruptions%0D%0Aundergo+low+weathering+rates%2C+which+can+be+influenced+by+differences+in+elevation%0D%0Aand+depth%2C+leading+to+variations+in+phosphorus+adsorption+behavior+in+the+soil.%0D%0AThis+research+aims+to+determine+and+study+phosphorus+adsorption+in+the+soil+of%0D%0AMount+Anak+Krakatau+after+the+2018+eruption.+Soil+samples+were+collected+in%0D%0A2019+around+Mount+Anak+Krakatau%2C+located+in+the+Sunda+Strait%2C+South+Lampung.%0D%0ASoil+samples+were+taken+at+various+profiles+and+depths%3A+Profile+1+at+approximately%0D%0A10+meters+above+sea+level+(0-35+cm+and+35-65+cm)%2C+Profile+2+at+approximately+25%0D%0Ameters+above+sea+level+(0-56+cm+and+56-85+cm)%2C+Profile+3+at+approximately+40%0D%0Ameters+above+sea+level+(0-50+cm+and+59-67+cm)%2C+and+Profile+4+at+approximately+47%0D%0Ameters+above+sea+level+(0-23+cm+and+23-27+cm).+Phosphorus+adsorption+was%0D%0Adetermined+from+June+2022+to+January+2023+using+the+Langmuir+Isotherm+Model%0D%0Aequation%2C+conducted+at+the+Soil+Science+Laboratory%2C+Faculty+of+Agriculture%2C%0D%0AUniversity+of+Lampung.+Data+were+tested+using+the+Student-t+test+and+correlation%0D%0Aanalysis.+The+research+results+show+that+in+the+soil+samples%2C+Layer+2+of+Profile+4%0D%0Ahad+a+higher+maximum+adsorption+value+(Xmax)+compared+to+the+soils+in+Profiles%0D%0A3%2C+2%2C+and+1%2C+in+both+layer+1+and+layer+2.+This+indicates+that+as+the+elevation+and%0D%0Adepth+of+Mount+Anak+Krakatau's+tephra+increase%2C+the+maximum+adsorption+value%0D%0A(Xmax)+also+increases.+The+KL+value+in+Layer+1+tends+to+increase+with+increasing%0D%0Aelevation%2C+while+in+Layer+2%2C+it+tends+to+decrease+with+increasing+elevation.%0D%0AKeywords%3A+Langmuir%2C+KL+value%2C+Xmax+value%2C+Student-t%2C+Mount+Anak+Krakatau+soil.&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2023-10-04&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76940%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76940%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76940%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++ANISA+ARI%2C+FITRIANI++(2023)+PERILAKU+JERAPAN+FOSFOR+PADA+ELEVASI+DAN+KEDALAMAN+TEPHRA+GUNUNG+ANAK+KRAKATAU+SETELAH+ERUPSI+TAHUN+2018+DENGAN+MODEL+ISOTERMIK+LANGMUIR.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F76940%2F