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STUDI KUALITAS AIR DAN SUMBANGAN HARA DARI IRIGASI SIDEREJO-JAWA TENGAH PADA BUDIDAYA PADI SAWAH Jaka Suyana; Hery Widijanto
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 1, No 2 (2002)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v1i2.93

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KAJIAN TINGKAT DEGRADASI LAHAN DAN KEMAMPUAN LAHAN PADA USAHATANI LAHAN KERING BERBASIS TEMBAKAU DI SUB-DAS PROGO HULU Jaka Suyana
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 6, No 2 (2009)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v6i2.54

Abstract

Title : The study of land capability and land degradation level on tobacco-based upland farming at Progo Hulu Sub-watershed. The recent and also the future problems for Indonesian concerning with agricultural environment resources are land degradation and water resources restrictiveness. Agricultural technique without awareness to concerning to soil and water conservation principles on steep and high rainfall area had caused severe erosion and land degradation at upland area of Progo Hulu sub-watershed. Land Degradation that promoted by erosion at Progo Hulu sub-watershed contributed negative effects at on-site and out-site area. The results showed that: (1) The degradation levels on upland farming area of Progo Hulu sub-watershed (7.398,54 ha) are classified as: low (708.71 ha or 9.58%), moderate (5,119.15 ha or 69.19%) and high (1,570.68 ha or 21.23%); (2) The land capability classes were dominated by Class IV (3,624.93 ha or 49.00%), followed with Class VI (2,488.82 ha or 33.64%), Class III (697.99 ha or 9.43%), Class V (450.73 ha or 6.09%), and Class VII (136.06 ha or 1.84%). Keywords: land capability, land degradation, Progo Hulu Sub-watershed
PREDIKSI EROSI DAN SEDIMENTASI DENGAN METODE USLE DAN MUSLE PADA KAWASAN HUTAN JATI (Tectona Grandis LF ) Dl KPH CEPU JAWA TENGAH Sutarno Sutarno; Jaka Suyana
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 3, No 2 (2003)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v3i2.112

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PREDIKSI EROSI PADA BEBERAPA TIPE AGROEKOSISTEM DI SUB‐DAS SERANG HULU DAERAH TANGKAPAN WADUK KEDUNG OMBO JAWA TENGAH Jaka Suyana
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 5, No 1 (2008)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v5i1.85

Abstract

Erosion Prediction on the Agroecosystem Types at Serang Hulu Sub‐Watershed Catchment Area Kedung Ombo Reservoir in Central Java. The research about erosion prediction on the agroecosystem types at Serang Hulu Sub‐Watershed catchment area Kedung Ombo reservoir in Central Java. The results showed that rain fall were classified slightly low‐high (1276‐2970 mm/year), rain erosivity index (R) 1546‐3894. The highest soil erosion value on the agroecosystem type of inhabitants forest is 166,56‐264,83 ton/ha/year. The lowest erosion value on the agroecosystem type irrigated paddy‐soil (1,74‐11,83 ton/ha/year), followed by rainfed field (7,28 ton/ha/year), forest protect (14,29 ton/ha/year), production forest (20,90 ton/ha/year), agroforestry (56,31 ton/ha/year), dryland ( 77,86 ton/ha/year), and mixed garden(134,34‐155,49 ton/ha/year). The efforts of soil and water conservation technique must be conducted especially for the agroecosystem inhabitants forest, mixed garden, dryland, and agroforestry to stabilize and sustainablize land productivity. Keywords: Agroecosystem, Erosion, Serang Hulu Sub‐Watershed
KAJIAN KEMAMPUAN LAHAN PADA USAHATANI LAHAN KERING BERBASIS TEMBAKAU DI SUB-DAS PROGO HULU Jaka Suyana; Naik Sinukaban; Bunasor Sanim; M.Yanuar J Purwanto
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 7, No 1 (2010)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v7i1.46

Abstract

Title : The Study of Land Capability on Tobacco-Based Upland Farming at Progo Hulu Sub-Watershed. The recent and also the future problems for Indonesian concerning with agricultural environment resources are land degradation and water resources restrictiveness. Agricultural technique without awareness to concerning to soil and water conservation principles on steep and high rainfall area had caused severe erosion and land degradation at upland area of Progo Hulu sub-watershed. Land Degradation that promoted by erosion at Progo Hulu sub-watershed contributed negative effects at on-site and out-site area. The land capability analysis shows that tobacco-based farming system at Progo Hulu sub watershed dominated by class IV (3,624.93 ha; 49.00%), followed with class VI (2,488.82 ha; 33.64%), class III (697.99 ha; 9.43%), class V (450.73 ha; 6.09%), and class VII (136.06 ha; 1.84%). The main resistance factors are slope and erosion for class III; erosion, slope and surface rocks for class VI; and slope for class VII. Keywords: land capability, Progo Hulu Sub-watershed
STUDI KERAGAAN AGROEKOSISTEM UNTUK PENGEMBANGAN POTENSI PERTANIAN DI KABUPATEN SUKOHARJO PROPINSI JAWA TENGAH Jaka Suyana
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 5, No 2 (2008)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v5i2.69

Abstract

Title : The Study of Habitual Agroecosystem to Develope Agriculture Potential at Sukoharjo Regency in Central Java. The research about habitual agroecosystem to develope agriculture potential at Sukoharjo Regency in Central Java. This research conducted from June until September, 2002. The results showed that Sukoharjo Regency regional base on the Schmidt-Ferguson climate have C-climate type (slightly wet) and D (moderate), can be separate into four (4) agroecosystem, e.i wet land, dry land, mixedfarm, and forest. Wet land agroecosystem grouped into types agroecosystem with parent rock Merapi Volcano, Aluvium, Lawu ejecta, and Wonosari-Punung formation. Dry land agroecosystem grouped into types agroecosystem with parent rock Lawu ejecta, Aluvium, and Mandalika-Wonosari-Punung formation. Mixedfarm agroecosystem grouped into types agroecosystem with parent rock Lawu ejecta, and Mandalika-Wonosari-Punung formation. Whereas forest agroecosystem exist on the Wonosari-Punung formation, and it management strategy toward as community based conservation regional. Keywords : Agroecosystem, Agriculture potential, Sukoharjo Regency
LAJU PERTUMBUHAN DAN PENAMBATAN N2 AZOLLA PADA BERBAGAI INTENSITAS PENYINARAN DAN TINGGI GENANGAN Jaka Suyana; Sudadi Sudadi; Supriyadi Supriyadi
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 1, No 1 (2001)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v1i1.88

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PEMANFAATAN LIMBAH PADAT INDUSTRI KERTAS (SLUDGE) SEBAGAI BAHAN KOMPOS DALAM PENINGKATAN KESUBURAN TANAN ENTISOL Suntoro Suntoro; Jaka Suyana
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 1, No 1 (2001)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v1i1.92

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Profil Desa Wisata Samiran di Lereng Merbabu-Merapi Kecamatan Selo Kabupaten Boyolali Propinsi Jawa Tengah Jaka Suyana
SEMAR (Jurnal Ilmu Pengetahuan, Teknologi, dan Seni bagi Masyarakat) Vol 9, No 1 (2020)
Publisher : LPPM UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/semar.v9i1.42015

Abstract

Desa Wisata Samiran sudah dirintis sejak tahun 2006, berada di dataran tinggi lereng Merbabu-Merapi atau di lembah Gunung Merbabu-Merapi memiliki panorama alam yang indah dan udara  sejuk. Secara administrasi berada diwilayah Kecamatan Selo Kabupaten Boyolali Propinsi Jawa Tengah, mempunyai luas 663,329 ha dengan elevasi 1.400-2.550 m dpl, jenis tanah andosol/andisols (lereng Merbabu) dan regosol/entisols (lereng Merapi). Dataran tinggi dengan tanah andosol secara agroklimat cocok/sesuai untuk pengembangan beraneka agrowisata, yaitu :  tanaman  perkebunan (teh dan kopi Arabika), tanaman buah (tledung, apel dan jeruk), tanaman hias, serta sayuran.  Kegiatan pengabdian ini bertujuan  untuk perintisan pendampingan pada kelompok tani di Desa Wisata Samiran.  Jenis kegiatan yang dilakukan adalah pengumpulan data/informasi yang berkaitan dengan “Profil Desa Wisata Samiran”, yaitu meliputi : (1) pengumpulan data/informasi kondisi agroklimat dan jenis usahatani;  (2) pengumpulan data/informasi keberadaan dan kegiatan kelompok tani; serta (3) pengumpulan data/informasi keberadaan obyek wisata di wilayah Desa Wisata Samiran. Target dari kegiatan pengabdian ini diperoleh Profil Desa Wisata Samiran yang nantinya dapat digunakan sebagai data dasar untuk pengembangan agrowisata di Desa Wisata Samiran, khususnya sebagai peningkatan atensi akademisi program pendampingan/pengabdian masyarakat dari Grup Riset Pengelolaan DAS dan Agroekosistem, Fakultas Pertanian Universitas Sebelas Maret, serta para pihak yang berminat.