?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+RESIDU+SETELAH+4+MUSIM+TANAM+APLIKASI+BIOCHAR+DAN+KOTORAN+AYAM+TERHADAP+KEMAMPUAN+TANAH+MENAHAN+AIR+DAN+PRODUKTIVITAS+TANAMAN+JAGUNG+MANIS++(Zea+mays+saccharata+Sturt.)+DI+LAHAN+KERING%0D%0A%0D%0ATHE+EFFECT+OF+RESIDUE+AFTER+4+PLANTING+SEASONS+OF+BIOCHAR+APPLICATION+AND+CHICKEN+MANURE+ON+SOIL+ABILITY+TO+HOLD+WATER+AND+SWEET+CORN+(Zea+mays+saccharata+Sturt.)+PLANT+PRODUCTIVITY+IN+DRY+LAND%0D%0A&rft.creator=Istiqomah+%2C+Anisa&rft.subject=630+Pertanian+dan+teknologi+yang+berkaitan&rft.description=Tanah+Ultisol+memiliki+permasalahan+bahan+organik+tanah+dan+unsur+hara+rendah.+Kemampuan+tanah+menahan+air+merupakan+salah+satu+sifat+fisik+tanah+yang+menjadi+indikator+tingkat+kesuburan+suatu+tanah.+Upaya+untuk+meningkatkan+kesuburan+tanah+dapat+dilakukan+dengan+cara+pemberian+biochar+dan+kotoran+ayam.+Pada+penelitian+ini+mempelajari+residu+aplikasi+biochar+dan+kotoran+ayam+setelah+pemberian+4+tahun+sebelumnya.+Penelitian+ini+bertujuan+untuk+menentukan+apakah+aplikasi+biochar%2C+kotoran+ayam+dan+kombinasi+keduanya+setelah+4+musim+tanam+mempunyai+kemampuan+tanah+menahan+air+dan+produktivitas+tanaman+jagung+manis+di+lahan+kering+lebih+tinggi+dibandingkan+kontrol.+Penelitian+ini+menggunakan+Rancangan+Acak+Kelompok+(RAK)+non+faktorial+dengan+4+kelompok+dan+4+perlakuan+yaitu%2C+B0+%3D+kontrol%2C+B1+%3D+biochar+5+ton+ha-+1+%2C+B2+%3D+kotoran+ayam+5+ton+ha-1+%2C+dan+B3+%3D+biochar+5+ton+ha-1+%2B+kotoran+ayam+5+ton+ha-1.+Data+kemampuan+menahan+air%2C+struktur+tanah+dan+C-organik+yang+dilakukan+dengan+cara+membandingkan+hasil+analisis+dengan+kelas+penetapan+kriteria+yang+ada.+Data+yang+diperoleh+dari+hasil+analisis+kemudian+disajikan+dalam+bentuk+tabel+dan+data+produksi+jagung+manis+dianalisis+ragam%2C+dilanjutkan+dengan+uji+BNT+5%25.+Hasil+penelitian+menunjukkan+bahwa+residu+biochar%2C+kotoran+ayam+dan+kombinasi+keduanya+setelah+4+musim+tanam+mempunyai+kemampuan+tanah+menahan+air+di+lahan+kering+tidak+berpengaruh+terhadap+kelas+kemampuan+menahan+air+karena+masih+dalam+kriteria+yang+sama%2C+selanjutnya+residu+kombinasi+biochar+dan+kotoran+ayam+setelah+4+musim+tanam++mempunyai+kemampuan+tanah+menahan+air+di+lahan+kering+tidak+berpengaruh+terhadap+kelas+kemampuan+menahan+air+karena+masih+dalam+kriteria+yang+sama+%0D%0Adan+residu+biochar%2C+kotoran+ayam+dan+kombinasi+keduanya+setelah+4+musim+tanam+tidak+berpengaruh+terhadap+produktivitas+jagung+manis..%0D%0A%0D%0AKata+kunci+%3A+air+tersedia%2C+bahan+organik%2C+biochar%2C+%2C+kemampuan+tanah+menahan+air%2C+%0D%0Akotoran+ayam%0D%0A%0D%0AUltisol+soil+has+problems+with+low+organic+matter+content+and+nutrient+availability.+The+soil's+ability+to+retain+water+is+one+of+its+physical+properties+that+serves+as+an+indicator+of+soil+fertility.+Efforts+to+improve+soil+fertility+can+be+made+by+applying+biochar+and+chicken+manure.+This+study+examines+the+residual+effects+of+biochar+and+chicken+manure+application+after+four+years.+The+objective+of+this+study+was+to+determine+whether+the+application+of+biochar%2C+chicken+manure%2C+and+their+combination+after+four+growing+seasons+had+a+higher+soil+water+retention+capacity+and+sweet+corn+productivity+in+dryland+compared+to+the+control.+The+study+used+a+non-factorial+Randomized+Complete+Block+Design+(RCBD)+with+four+groups+and+four+treatments%2C+namely+B0+%3D+control%2C+B1+%3D+biochar+at+5+tons+ha%E2%81%BB%C2%B9%2C+B2+%3D+chicken+manure+at+5+tons+ha%E2%81%BB%C2%B9%2C+and+B3+%3D+biochar+5+tons+ha%E2%81%BB%C2%B9+%2B+chicken+manure+5+tons+ha%E2%81%BB%C2%B9.+Data+on+water+holding+capacity%2C+soil+structure%2C+and+organic+carbon+were+obtained+by+comparing+the+analysis+results+with+established+classification+criteria.+The+obtained+data+were+presented+in+tables%2C+and+the+sweet+corn+yield+data+were+analyzed+using+analysis+of+variance+(ANOVA)%2C+followed+by+a+5%25+LSD+test.++Research+results+showed+that+the+residues+of+biochar%2C+chicken+manure%2C+and+their+combination+after+four+planting+seasons+did+not+affect+the+soil+water-holding+capacity+class+in+dryland%2C+as+they+remained+within+the+same+criteria.+Furthermore%2C+the+residue+of+the+combination+of+biochar+and+chicken+manure+after+four+planting+seasons+did+not+affect+the+soil+water-holding+capacity+class+in+dryland%2C+as+it+still+met+the+same+criteria.+Additionally%2C+the+residues+of+biochar%2C+chicken+manure%2C+and+their+combination+after+four+planting+seasons+had+no+effect+on+sweet+corn+productivity.%0D%0A%0D%0AKey+words%3A+available+water%2C++biochar%2C+chicken+manure%2C+soil+fertilizer%2C+water+retention+%0D%0Acapacity%0D%0A&rft.publisher=Pertanian&rft.date=2025-04-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F87721%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F87721%2F2%2FSKRIPSI%2520FULL%2520PEMBAHASAN%2520TANPA%2520LAMPIRAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F87721%2F3%2FSKRIPSI%2520FULL%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Istiqomah+%2C+Anisa++(2025)+PENGARUH+RESIDU+SETELAH+4+MUSIM+TANAM+APLIKASI+BIOCHAR+DAN+KOTORAN+AYAM+TERHADAP+KEMAMPUAN+TANAH+MENAHAN+AIR+DAN+PRODUKTIVITAS+TANAMAN+JAGUNG+MANIS+(Zea+mays+saccharata+Sturt.)+DI+LAHAN+KERING+THE+EFFECT+OF+RESIDUE+AFTER+4+PLANTING+SEASONS+OF+BIOCHAR+APPLICATION+AND+CHICKEN+MANURE+ON+SOIL+ABILITY+TO+HOLD+WATER+AND+SWEET+CORN+(Zea+mays+saccharata+Sturt.)+PLANT+PRODUCTIVITY+IN+DRY+LAND.++Pertanian%2C+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F87721%2F