?url_ver=Z39.88-2004&rft_id=2014181024&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Respirasi+dan+Biomassa+Karbon+Mikroorganisme+Tanah+akibat+Perlakuan+Olah+Tanah+pada+Perkebunan+Nanas+di+Lampung+Tengah&rft.creator=Dian%2C+Prasetyowati&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Produksi+nanas+di+Provinsi+Lampung+mengalami+penurunan+yang+disebabkan+lahan+telah+terdegradasi+karena+olah+tanah+intensif.+Upaya+yang+dilakukan+untuk+perbaikan+kondisi+lahan+yaitu+dengan+melakukan+modifikasi+pengolahan+tanah.+Tujuan+penelitian+ini+yaitu+mempelajari+pengaruh+pengolahan+tanah+terhadap+respirasi+tanah+dan+biomassa+karbon+mikroorganisme+tanah+(C-mik).+Penelitian+ini+dirancang+menggunakan+Rancangan+Acak+Kelompok+(RAK)+yang+terdiri+dari+5+perlakuan+dengan+3+kelompok.+Perlakuan+terdiri+dari+olah+tanah+intensif+(P1)%2C+olah+tanah+intensif+modifikasi+(P2%2C+P3%2C+dan+P4)%2C+dan+olah+tanah+minimum+(P5).+Data+yang+diperoleh+diuji+analisis+ragam+(Anara)+dengan+taraf+5%25+yang+sebelumnya+diuji+homogenitas+ragamnya+dengan+Uji+Bartlett+dan+aditifitas+datanya+menggunakan+Uji+Tukey.+Data+diuji+lanjut+dengan+Uji+BNT+(beda+nyata+terkecil)+dan+Uji+Kontras+Orthogonal+dengan+taraf+5%25.+Untuk+mengetahui+hubungan+variabel+utama+dan+variabel+pendukung+dilakukan+uji+korelasi.+Hasil+penelitian+menunjukkan+respirasi+tanah+pada+OTI+(P1)+lebih+tinggi+dibandingkan+OTI+M+(P2%2C+P3+dan+P4)+dan+OTM+(P5)+pada+pengamatan+12+BST%2C+namun+respirasi+tanah+pada+OTI+M+(P2%2C+P3+dan+P4)+lebih+tinggi+dibandingkan+OTM+(P5)+pada+3+hingga+15+BST+dan+C-mik+pada+OTI+(P1)+lebih+rendah+dibandingkan+OTI+M+(P2%2C+P3+dan+P4)+dan+OTM+(P5)+pada+pengamatan+12+BST+serta+biomassa+karbon+mikroorganisme+tanah+pada+OTI+M+(P2%2C+P3+dan+P4)+lebih+tinggi+dibandingkan+OTM+(P5)+pada+9+dan+12+Uji+korelasi+menunjukkan+ada+korelasi+positif+antara+suhu+tanah+dengan+respirasi+tanah+dan+C-mik+tanah+pada+pengamatan+15+BST+dan+korelasi+positif+respirasi+dengan+C-mik+tanah+pada+12+BST.%0D%0A%0D%0AKata+Kunci%3A+C-mik%2C+olah+tanah%2C+respirasi+tanah%2C+tanaman+nanas.+%0D%0A%0D%0APineapple+production+in+Lampung+Province+has+decreased+due+to+land+degradation+caused+by+intensive+tillage.+The+purpose+of+this+research+was+to+study+the+effect+of+tillage+on+soil+respiration+and+soil+carbon+microbial+biomass+(C-mic).+This+research+was+designed+using+a+Randomized+Group+Design+(RAK)+consisting+of+5+treatments+with+3+groups.+The+treatments+consisted+of+intensive+tillage+(P1)%2C+modified+intensive+tillage+(P2%2C+P3%2C+and+P4)%2C+and+minimum+tillage+(P5).+The+data+obtained+were+tested+by+analysis+of+variance+(ANOVA)+at+the+5%25+level+which+was+previously+tested+for+homogeneity+of+variance+with+the+Bartlett+Test+and+additivity+using+the+Tukey+Test.+Data+were+further+tested+with+Orthogonal+Contrast+Test+at+5%25+level.+To+determine+the+relationship+between+the+main+variables+and+supporting+variables%2C+the+correlation+test+was+conducted.+The+results+showed+that+soil+respiration+in+IT+(P1)+was+higher+than+MIT+(P2%2C+P3+and+P4)+and+MT+(P5)+at+observation+12+MAP%2C+but+soil+respiration+in+MIT+(P2%2C+P3+and+P4)+was+higher+than+MT+(P5)+at+3+to+15+MAP+and+C-mic+in+IT+(P1)+was+lower+than+MIT+(P2%2C+P3+and+P4)+and+OTM+(P5)+at+12+MAP%2C++C-mic+in+MIT+(P2%2C+P3+and+P4)+was+higher+than+MT+(P5)+at+9+and+12+MAP.+The+correlation+test+showed+that+there+was+a+positive+correlation+between+soil+temperature+and+soil+respiration+and+soil+C-mic+at+observation+15+MAP+and+a+positive+correlation+between+respiration+and+soil+C-mic+at+12+MAP.&rft.publisher=PERTANIAN&rft.date=2025-01-06&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84388%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84388%2F2%2FFILE%2520TUGAS%2520AKHIR%2520SKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F84388%2F3%2FFILE%2520TUGAS%2520AKHIR%2520SKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Dian%2C+Prasetyowati++(2025)+Respirasi+dan+Biomassa+Karbon+Mikroorganisme+Tanah+akibat+Perlakuan+Olah+Tanah+pada+Perkebunan+Nanas+di+Lampung+Tengah.++PERTANIAN%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F84388%2F