?url_ver=Z39.88-2004&rft_id=1854181007&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+OLAH+TANAH+DAN+PEMUPUKAN+N+JANGKA+PANJANG+TERHADAP+KANDUNGAN+KARBON+ORGANIK%2C+NITROGEN+TANAH+DAN+SERAPAN+N+SERTA+PRODUKSI+PADA+PERTANAMAN+JAGUNG+DI+TANAH+ULTISOL+TAHUN+KE-34&rft.creator=Yanda+%2C+Yonathan&rft.subject=550+Ilmu+bumi+dan+geologi&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Ultisol+merupakan+salah+satu+jenis+tanah+di+Indonesia+yang+mempunyai+sebaran+luas.+Namun+Ultisol+merupakan+salah+satu+jenis+tanah+di+Indonesia+dengan+sebaran+luas.+Ultisol+merupakan+tanah+yang+memiliki+tingkat+kesuburan+rendah+sehingga+perlu+upaya+perbaikan+agar+dapat+dimanfaatkan+secara+optimal.+Tujuan+penelitian+adalah+mengetahui+pengaruh+olah+tanah+jangka+panjang%2C+pemupukan+N%2C+dan+interaksi+antara+olah+tanah+jangka+panjang%2C+dan+pemupukan+N+terhadap+kadar+C-organik+tanah%2C+N+total+tanah%2C+serapan+N%2C+serta+produksi+tanaman+jagung+di+Ultisol.+Penelitian+dilaksanakan+pada+12+September+2021+%E2%80%93+30+Januari+2022+di+Kebun+Percobaan+Polinela.+Penelitian+ini+menggunakan+RAK+dengan+2+faktor%2C+yaitu+pemupukan+nitrogen+(N0+%3D+tanpa+pemupukan%2C+N2+%3D+pemupukan+200+kg+N+ha-1)%2C+olah+tanah+(T1+%3D+olah+tanah+intensif%2C+T2+%3D+olah+tanah+minimum%2C+T3+%3D+tanpa+olah+tanah).+Data+hasil+penelitian+sifat+tanah+analisis+tanah+awal+dan+akhir+dilakukan+untuk+mengetahui+kandungan+N-total+tanah%2C+C-organik+tanah%2C+C%2FN%2C+dan+pH+tanah.+Analisis+data+tanah+dilakukan+secara+kualitatif+menggunakan+kriteria+penilaian+hasil+analisis+tanah.+Data+Sampel+tanaman+berupa+(produksi+berat+kering%2C+basah+serta+serapan+N+tanaman)+di+uji+dengan+menggunnakan+anara+dan+dilanjutkan+dengan+unji+BNT+5%25.+Tanpa+olah+tanah+dan+tanpa+pemupukan+N+mampu+meningkatkan+C-organik+tanah+dan+N-total+tanah.+Serapan+N+brangkasan+jagung+tertinggi+yaitu+pada+perlakuan+olah+tanah+minimum.+Pemupukan+N+tidak+mampu+meningkatkan+kandungan+C-organik%2C+tetapi+dapat+meningkatkan+N-total+tanah.+Pemupukan+N+mampu+meningkatkan+produksi+berat+kering+total+dan+berat+basah+total+tanaman+serta+N+terangkut+total.+Tidak+terdapat+interaksi+antara+pengaruh+pemupukan+N+dan+olah+tanah+terhadap+serapan+N+dan+produksi+tanaman+jagung.%0D%0A%0D%0AKata+Kunci%3A+C-organik%2C+jangka+panjang%2C+N-total%2C+Olah+Tanah%2C+Pemupukan%2C+Produksi%2C+Serapan+N.%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0Aabstarct%0D%0A%0D%0AUltisol+is+a+type+of+soil+in+Indonesia+with+a+wide+distribution.+Ultisol+is+soil+that+has+a+low+fertility+level+so+it+needs+improvement+efforts+so+that+it+can+be+used+optimally.+The+aim+of+the+research+was+to+determine+the+effect+of+long-term+tillage%2C+N+fertilization%2C+and+the+interaction+between+long-term+tillage+and+N+fertilization+on+soil+organic+C+levels%2C+total+soil+N%2C+N+uptake%2C+and+corn+crop+production+in+Ultisol.+The+research+was+carried+out+on+12+September+2021+%E2%80%93+30+January+2022+at+the+Polinela+Experimental+Garden.+This+research+uses+RAK+with+2+factors%2C+namely+nitrogen+fertilization+(N0+%3D+no+fertilization%2C+N2+%3D+200+kg+N+ha-1+fertilization)%2C+tillage+(T1+%3D+intensive+tillage%2C+T2+%3D+minimum+tillage%2C+T3+%3D+no+tillage).+Data+from+research+on+soil+properties%2C+initial+and+final+soil+analyzes+were+carried+out+to+determine+the+soil+total+N+content%2C+soil+organic+C%2C+C%2FN%2C+and+soil+pH.%0D%0ASoil+data+analysis+was+carried+out+qualitatively+using+assessment+criteria+for+soil+analysis+results.+Plant+sample+data+in+the+form+of+(dry%2C+wet+weight+production+and+plant+N+uptake)+was+tested+using+an+ara+and+continued+with+a+5%25+BNT+test.+Without+tillage+and+without+N+fertilization+can+increase+soil+organic+C+and+total+soil+N.+The+highest+corn+stover+N+uptake+was+in+the+minimum+tillage+treatment.+N+fertilization+is+not+able+to+increase+organic+C+content%2C+but+can+increase+total+soil+N.+N+fertilization+can+increase+the+production+of+total+dry+weight+and+total+wet+weight+of+plants+as+well+as+total+N+transport.+There+was+no+interaction+between+the+effect+of+N+fertilization+and+tillage+on+N+uptake+and+corn+production.%0D%0A%0D%0AKeywords%3A+C-organic%2C+fertilization%2C+long+term%2C+N-total%2C+N+uptake%2C+production%2C+tillage.&rft.publisher=FAKULTAS+PERTANIAN&rft.date=2023-08-08&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76652%2F1%2F1.%2520ABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76652%2F2%2F2.%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F76652%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Yanda+%2C+Yonathan++(2023)+PENGARUH+OLAH+TANAH+DAN+PEMUPUKAN+N+JANGKA+PANJANG+TERHADAP+KANDUNGAN+KARBON+ORGANIK%2C+NITROGEN+TANAH+DAN+SERAPAN+N+SERTA+PRODUKSI+PADA+PERTANAMAN+JAGUNG+DI+TANAH+ULTISOL+TAHUN+KE-34.++FAKULTAS+PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F76652%2F