Update Artikelilmiah: 43857

IRFANAL MUTTAQIEN

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Judul Artikel

Abstrak (Bhs. Indonesia)

Ketersediaan C-organik tanah yang optimum akan memberikan pengaruh peningkatan 
terhadap hasil tanaman padi. Penelitian ini bertujuan untuk: 1) mengetahui kandungan C-organik tanah di lahan sawah yang digunakan untuk budidaya tanaman padi di sub DAS Serayu Kecamatan 
Susukan Kabupaten Banjarnegara, 2) mengetahui korelsi C-organik tanah dengan sifat kimia tanah 
di lahan sawah sub DAS Serayu Kecamatan Susukan Kabupaten Banjarnegara, 3) mengetahui 
rekomendasi pupuk organik di sub DAS Serayu Kecamatan Susukan Kabupaten Banjarnegara. 
Penelitian dilaksanakan di lahan sawah pertanaman padi di wilayah DAS Serayu Kecamatan 
Susukan, Kabupaten Banjarnegara dan Laboratorium Tanah sumberdaya Lahan Fakultas Pertanian, 
Universitas Jenderal Soedirman, Purwokerto. Titik pengambilan sampel ditentukan dengan Peta 
SLH dengan skala 1:50.000. Peta satuan lahan homogen dibuat dengan menumpangtindihkan 
(overlay) peta administrasi dengan peta kelerengan, peta jenis tanah, dan peta penggunaan lahan. Pengambilan sampel tanah dilakukan secara komposit di setiap lokasi pengamatan dengan 
melakukan pengeboran tanah pada kedalaman 0-25 cm dan 25-50 cm. Variabel yang diamati pada 
penelitian meliputi pH H2O, pH KCl, daya hantar listik tanah, potensial redoks tanah, C-organik 
tanah, C/N rasio, dan hasil tanaman padi. Hasil Penelitian menunjukkan bahwa ketersediaan unsur 
hara C-organik di Kecamatan Susukan Kabupaten Banjarnegara memiliki harkat sangat rendah 
hingga rendah. Nilai koefisien determinasi antara C-organik tanah dengan hasil tanaman adalah R2
 = 0,2996. Rekomendasi pupuk organik untuk pertanaman padi sawah di Kecamatan Susukan yaitu 
berkisar 17,53-29,70 ton/ha

Abtrak (Bhs. Inggris)

Optimum soil organic C availability will have an increasing effect on rice yields. This 
research aims to: 1) determine the C-organic content of soil in rice fields used for rice cultivation in 
the Serayu sub-watershed, Susukan District, Banjarnegara Regency, 2) determine the correlation of 
soil C-organic with soil chemical properties in the rice fields of the Serayu sub-watershed, District 
Susukan, Banjarnegara Regency, 3) find out the recommendations for organic fertilizer in the Serayu 
sub-watershed, Susukan District, Banjarnegara Regency. The research was carried out in rice fields 
in the Serayu Watershed area, Susukan District, Banjarnegara Regency and the Soil Resources 
Laboratory, Faculty of Agriculture, Jenderal Soedirman University, Purwokerto. Sampling points 
were determined using the SLH Map with a scale of 1:50,000. Homogeneous land unit maps are 
created by overlaying administrative maps with slope maps, soil type maps and land use maps. Soil 
samples were taken compositely at each observation location by drilling the soil at a depth of 0-25 
cm and 25-50 cm. The variables observed in the research included pH H2O, pH KCl, soil electrical 
conductivity, soil redox potential, soil organic C, C/N ratio, and rice yield. The research results show 
that the availability of C-organic nutrients in Susukan District, Banjarnegara Regency has very low 
to low levels. The coefficient of determination between soil organic C and plant yield is R2 = 0.2996. 
Recommendations for organic fertilizer for planting lowland rice in Susukan District are around 
17,53-29,70 tonnes/ha.

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