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ANALISIS REWORK PADA PROYEK KONSTRUKSI GEDUNG DI KABUPATEN BADUNG Sutrisna, Nana; Arya Thanaya, I N.; Ketut Sudipta, I Gst
Jurnal Spektran Vol 1, No 2, Juli 2013
Publisher : Jurnal Spektran

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Rework is unavoidable from the world of construction, Rework can be a devastating effect on the performance and productivity of both the consultant and the contractor. This study aims to determine the main factors causing rework, efforts to reduce rework. The analysis used the analysis Multivariant factor analysis with the help of Statistical Package for Social Science (SPSS) for Windows version 17.0. From the results obtained by factor analysis the main factors causing the occurrence of rework are: aspects of the owner (poor communication, poor coordination, poor information flow), aspects of planning consultants (lack of information in the field, lack of communication, the situation in the picture on the ground is not suitable). aspects of construction management consultants (lack of information in the field, lack of communication, lack of control), aspects of mechanical electrical plumbing contractors (Materials misdirected, MEP staff inexperience, lack of knowledge about the character of the material, the amount of overtime), aspects of the contractor (lack of competence foreman, foreman lack of experience, lack of experience, the quality of labor is bad, the error in interpreting the specification), aspects of operator (poor flow of information, lack of communication, lack of coordination, lack of operator experience). Efforts to systematically reduce rework most effective according to the respondent´s answer is: Systematic planning, detailing and describing the project at every stage of the steps to be taken to achieve quality objectives, set standards of communication, coordination and construction project sinkronasi work with all parties involved in the implementation of the project, Constructing specification limits and criteria and quality standards to be used in engineering design, procurement and construction materials.
Uji Adaptasi Beberapa Varietas Sorgum (Sorghum bicolor L.) pada Lahan Kering di Kabupaten Ciamis, Jawa Barat Sutrisna, Nana; Sunandar, Nandang; Zubair, Anas
Jurnal Lahan Suboptimal Vol 2, No 2 (2013)
Publisher : Jurnal Lahan Suboptimal

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Sorghum is one of the crops that can be used as a source of food, animal feed, and industrial raw materials. Sorghum is also resistant to drought, so the potential to be developed on land suboptimal, including on dry land in Kudat District, West Java Province. The research aims to determine the adaptability of some varieties of sorghum on dry land in Kudat District, West Java Province. Research conducted dilahan farmers in July to November 2011. Experiments using Randomized Complete (RAKL) with seven varieties of treatment and repeated three times. To seven varieties tested were (1) Numbu, (2) Kawali, (3), Padjadjaran University 1, (4) Padjadjaran 2, (5) Batari, (6) Keller, and (7) Taomitsu. Data growth and yield components and yield is analyzed by the Duncan test at 5% level. The results showed that (a) all of the tested sorghum varieties well-adapted to dry land in Kudat District, West Java Province, and (2) varieties numbu, unpad 2, and Kawali give different results, both to the growth variables and components yield and productivity but better than the four other varieties, so that the three varieties can be developed on dry land in Kudat District, West Java Province.
Alternatif Model Usahatani Konservasi Tanaman Sayuran di Hulu Sub-DAS Cikapundung Sutrisna, Nana; Sitorus, Santun RP; Pramudya, B; Harianto, Harianto
Jurnal Hortikultura Vol 20, No 3 (2010): September 2010
Publisher : Indonesian Center for Horticultural Research and Development

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ABSTRAK. Hulu Sub-DAS Cikapundung merupakan lahan kering dataran tinggi. Penggunaan lahan yang tidaksesuai dengan kesesuaian, menyebabkan lahan mengalami degradasi. Tujuan utama penelitian ini adalah merancangalternatif model usahatani konservasi tanaman sayuran di hulu Sub-DAS Cikapundung, sedangkan tujuan antara ialah(1) mengevaluasi kesesuaian penggunaan lahan existing sesuai dengan kesesuaian lahannya, (2) mengarakterisasiusahatani existing, dan (3) menganalisis komponen yang paling berpengaruh pada subsistem usahatani konservasi.Penelitian menggunakan metode survei. Hasil penelitian menunjukkan bahwa kelas kesesuaian penggunaan lahanexisting di hulu Sub-DAS Cikapundung tergolong sesuai marginal (S3) dengan faktor pembatas pH, KB, KTK,ketersediaan oksigen, dan lereng. Kegiatan usahatani yang dilakukan petani di hulu Sub-DAS Cikapundung sudahberorientasi agribisnis, sehingga penggunaannya sangat intensif, namun belum sepenuhnya menerapkan teknologikonservasi. Komponen yang paling berpengaruh pada subsistem usahatani adalah jenis tanaman, sistem penanaman, danpenggunaan bahan amelioran, sedangkan pada subsistem konservasi adalah konservasi mekanik dan penggunaan mulsa.Lima alternatif model usahatani konservasi tanaman sayuran di hulu Sub-DAS Cikapundung yang diperoleh, yaitu (1)model A: sistem usahatani konservasi teras bangku, bedengan memotong lereng, menggunakan pupuk kandang+kapur,sistem penanaman sayuran tumpangsari/tumpang gilir kelompok I+III atau II+III, (2) model B: sistem usahatanikonservasi teras bangku, bedengan memotong lereng, menggunakan pupuk kandang, dipasang mulsa plastik, sistempenanaman sayuran tumpangsari/tumpang gilir kelompok I+III atau II+III, (3) model C: sistem usahatani konservasiteras bangku, bedengan memotong lereng, menggunakan pupuk kandang+kapur, dipasang mulsa plastik, sistempenanaman sayuran tumpangsari/tumpang gilir kelompok I+III atau II+III, (4) model D: sistem usahatani konservasiteras gulud, bedengan searah lereng, menggunakan pupuk kandang+kapur, sistem penanaman sayuran tumpangsari/tumpang gilir kelompok I+III atau II+III, dan (5) model E: sistem usahatani konservasi teras gulud, bedengan searahlereng, menggunakan pupuk kandang+kapur, dipasang mulsa plastik, sistem penanaman sayuran tumpangsari/tumpang gilir kelompok I+III atau II+III. Model A, B, dan C diarahkan untuk dapat diterapkan pada lahan dengankemiringan 16-25%, sedangkan model D dan E diarahkan pada lahan dengan kemiringan 8-15%. Untuk mempercepatpenerapan model usahatani konservasi oleh petani diperlukan kelembagaan penunjang usahatani konservasi.ABSTRACT. Sutrisna, N., Santun R.P. Sitorus, B. Pramudya, and Harianto. 2010. The Alternative ConservationFarming System Model on Vegetable Plants in Upstream Areas of Subwatershed Cikapundung. The upstreamarea of Subwatershed Cikapundung are located in the dry highland. Inappropriate land usage that doesn’t utilize itsland suitability causes land degradation. The main objective of this research was to design the alternative conservationfarming system model on vegetable plants in upstream areas of subwatershed Cikapundung. The other objectives were(1) to analyze suitability of existing land utilization, (2) to characterize existing farming system, and (3) to analyzethe most effective component of the conservation farming system. This research was conducted by using a surveymethod. The results showed that the category in accordant to existing land use was belong to marginally suitable(S3). The limited factors were pH, base saturation, CEC, drainage, and slope. The most influence component of theconservation farming system were kinds of vegetation, cropping system, ameliorant, conservation techniques, andplastic mulch. There were five alternative models of conservation farming system that can be used in upstream areas ofsubwatershed Cikapundung. Those were (1) model A: conservation farming system bench terraces, the embankmentcrosses the slope, uses of organic matter and lime, and planting of vegetables cropping system with categoriesI+III or II +III, (2) model B: conservation farming system bench terraces, the embankment crosses the slope, usesorganic matter, uses mulch, and planting of vegetables cropping system with categories I+III or II+III, (3) model C:conservation farming system bench terraces, the embankment one-way the slope, use organic matter and lime, usesmulch, and planting of vegetables cropping system with categories I+III or II+III, (4) model D: conservation farmingsystem gulud terraces, the embankment one-way the slope, uses organic matter and lime, and planting of vegetablescropping system with categories I+III or II+III, and (5) model E: conservation farming system gulud terraces, theembankment one-way the slope, uses organic matter and lime, uses mulch, and planting of vegetables cropping systemwith categories I+III or II+III. The alternative models A, B, and C can be used at sloping land 16-25%, meanwhilethe alternative models D and E at sloping land 8-15%. To accelerate the implementation of farming system modelby farmers, the supporting institution of conservation farming system is required.
Uji Kelayakan Teknis dan Finansial Penggunaan Pupuk NPK Anorganik pada Tanaman Kentang Dataran Tinggi di Jawa Barat Sutrisna, Nana; Suwalan, S; Ishaq, I
Jurnal Hortikultura Vol 13, No 1 (2003): Maret 2003
Publisher : Indonesian Center for Horticultural Research and Development

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Penelitian ini dilaksanakan di Desa Alamendah, Kecamatan Rancabali, Kabupaten Bandung pada musim kemarau 2001. Lokasi penelitian termasuk lahan dataran tinggi dengan ketinggian 1.400 m dari permukaan laut dengan jenis tanah andosol. Tujuan penelitian adalah untuk mengetahui kandungan unsur hara beberapa jenis pupuk alternatif NPK anorganik dan pengaruhnya terhadap pertumbuhan, produksi, dan pendapatan usahatani kentang sebagai dasar penyusunan  rekomendasi teknologi penggunaan  pupuk  alternatif. Percobaan  menggunakan  rancangan  acak kelompok dengan delapan perlakuan dan empat ulangan. Hasil analisis tanah menunjukkan bahwa tanah di lokasi penelitian memiliki ketersediaan unsur N rendah, namun P2O5 dan K2O tinggi, serta pH tanah agak rendah (5,2). Hasil analisis hara dari beberapa jenis pupuk alternatif NPK anorganik menunjukkan bahwa kandungan unsur N, P2O5, dan K2O yang tertera pada label/kemasan tidak sesuai dengan hasil analisis di laboratorium. Dari 10 jenis pupuk yang diuji hanya 30% yang unsur N-nya sesuai, 40% unsur P2O5  sesuai,  dan 50% unsur K2O-nya yang sesuai. Pengaruh penggunaan pupuk NPK anorganik terhadap tinggi tanaman dan jumlah tunas tidak berbeda nyata dengan kontrol, namun pupuk NPK 20-9-9 dapat meningkatkan produksi  umbi sebesar 13,34% dari rata-rata produksi di tingkat petani. Pupuk NPK 20-9-9 pada tanaman kentang memberikan tingkat pengembalian marginal tertinggi, yaitu 1,74 (174%), sehingga paling menguntungkan dibandingkan perlakuan lainnya dan layak untuk direkomendasikan. Kata kunci : Solanum tuberosum; Pupuk anorganik; Kentang; Lahan dataran tinggi; Pertumbuhan; Hasil. ABSTRACT. The research of NPK fertilizers usage was carried out on dry season of 2001 in Alamendah village, Rancabali, Bandung. The experimental location was 1,400 meters above sea level and of andosol soils. The objective of the study was to investigate the composition of several NPK anorganic fer- tilizers and the effects on growth, yield, and profit for potato farming as the basis for technical recommendations re- garding the usage. The experimental was randomized block design with eight treatments and four replications. The soil analysis results showed that the plots were low in nitrogen availability while P2O5 and K2O levels were quite high. The investigation revealed that the stated compositions of nitrogen, phosphorus, and potassium on the respective la- bels were not in accordance with the results of laboratory analysis. Among ten fertilizers tested, the number actually containing the stated levels of nitrogen, phosphorus, and potassium were 30, 20, and 40% respectively. Plant height and number of shoots/plant were not significantly different from the control for any of the alternative fertilizers NPK anorganic used. The use of fertilizer NPK 20-9-9 showed an average yield increase of 13.34% over typical farmer pro- duction methods. The increase in yield was one of the main factors resulting in a marginal return of 174% for fertilizer NPK 20-9-9 as well. Form these results it appears the fertilizer NPK 20-9-9 may be recommended for potato farming in West Java.
KAJIAN RAKITAN TEKNOLOGI BUDIDAYA BAWANG DAUN (Allium fistulosum L) PADA LAHAN DATARAN TINGGI DI BANDUNG, JAWA BARAT Sutrisna, Nana; Ishaq, Iskandar; Suwalan, S.
Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Vol 6, No 1 (2003): Januari 2003
Publisher : Jurnal Pengkajian dan Pengembangan Teknologi Pertanian

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Welsh onion is prosperous to grow intensively to its increasing demand for either domestic or exportmarkets. Productivity at farm level, however, is still low due to unavailable appropriate cultural practice. Thisstudy aimed to know the technical and finacila performances of application of improved cultural practice ofwelsh onion carried in Alamendah village, Rancabali subdistrict, Bandung district with elevation of 1,400 mabove sea level on 2001 dry season (April-June 2001). The method used was “On-Farm Client OrientedAdaptive Research” (OFCOAR). Experimental plots were divide into two treatments, i.e., improved culturalpractice of welsh onion (T1) and local cultural practice (T2) with replications of 8 farmers. The results showedthat improved cultural practice significantly affected crops’ height, total shoots, and yields. The yield increasedby 6.6 tons/ha or 78.6 percents, and net profits increased by Rp 3,865,525 or more than 129 percents withparticipating farmers’ B/C ratio of 1.34 and that of non participating farmers of 0.80. The value of IBCR of 2.73indicated that addition of one unit of input could increase wells onion farm business by 2.73 times.Key words : cultural practice, welsh onion, highland farmingBawang daun memiliki prospek yang cukup baik seiring dengan peningkatan kebutuhan permintaankonsumen domestik maupun untuk tujuan ekspor. Namun demikian, pada saat ini produktivitas rata-rata ditingkat petani masih relatif rendah akibat belum tersedianya rakitan budidaya yang optimal. Pengkajian inibertujuan mengetahui keragaan teknis dan finansial penerapan perbaikan rakitan teknologi budidaya bawangdaun yang dilaksanakan di desa Alamendah, Kecamatan Rancabali, Kabupaten Bandung, dengan tinggi tempat1.400 m dari permukaan laut (dpl) pada MK 2001 (April-Juni 2001). Pendekatan dilakukan berdasarkan “On-Farm Client Oriented Adaptive Research” (OFCOAR). Rancangan percobaan petak dibagi menjadi duaperlakuan, yaitu (T1) perbaikan rakitan teknologi budidaya bawang daun dan (T2) teknologi petani setempatyang diulang pada 8 orang petani. Hasil pengkajian menunjukkan bahwa penerapan perbaikan teknologibudidaya memperlihatkan perbedaan yang sangat nyata pada tinggi tanaman, jumlah tunas, dan hasil bawangdaun. Hasil panen meningkat 6,6 ton/ha atau 78,6 persen dan pendapatan bersih meningkat sebesar Rp.3.865.525,00 atau lebih dari 129 persen dengan BC ratio 1,34 pada petani kooperator dan 0,80 pada petani nonkooperator.Nilai IBCR 2,73 berarti bahwa penambahan satu satuan input dapat meningkatkan pendapatanusahatani bawang daun sebesar 2,73 kali.Kata kunci : teknologi budidaya, bawang daun, usahatani dataran tinggi
KAJIAN SISTEM PENANAMAN TUMPANGSARI KENTANG (Solanum tuberosum L.) DI LAHAN DATARAN TINGGI RANCABALI, KABUPATEN BANDUNG Sutrisna, Nana; Sastraatmadja, Suwalan; Ishaq, Iskandar
Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Vol 8, No 1 (2005): Maret 2005
Publisher : Jurnal Pengkajian dan Pengembangan Teknologi Pertanian

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Assessment on intercropping system of potato was conducted during the dry season (May-September) in2001 in Alamendah village, Rancabali district, Bandung regency, with the altitude of 1,400 m above sea level.Randomized block design was used with three replications of five cropping system treatments, namely (1) potato; (2)potato + celery; (3) potato + welsh onion; (4) welsh onion; and (5) celery. The tested varieties were Granola forpotato, Papak Kuningan for welsh onion, and Bamby for celery. The plant spacing used for the two potato systemswere as follows: 70 cm x 30 cm monoculture, 70 cm x 50 cm for intercropping. The plant spacing of celery and welshonion both planted in intercropping and monoculture methods were each of 20 cm x 20 cm. The areas of all treatmentswere each of 60 m2 . Results of assessment showed that: (1) average plant heights of potato were not significantlydifferent between those intercropping systems of potato-celery and potato-welsh onion; (2) average number of shootsper plant and visually observed plant vigor of welsh onion and celery were greater for monoculture system than that ofintercropping; (3) yields of both potato intercropped with celery and welsh onion were lower than those ofmonoculture, but when yield of the intercropping was made equivalent to potato, the land productivity would begreater if intercropped with potato-celery or potato-welsh onion with highest land equivalent ratio (NKL) of more thanone and the highest land equivalent ratio obtained by potato + celery intercropping was 1.19; (4) intercropping systemof potato + celery was able to lessen attack intensity of thrips (44%) and Myzus persicae (55,6%); and (5)intercropping potato-celery was the most profitable with marginal return level of 81,45 percent.Key words: solanum tuberosum L., intercropping, highland, income, Bandung Pengkajian sistem penanaman tumpangsari kentang pada lahan dataran tinggi telah dilaksanakan di DusunCibodas, Desa Alamendah, Kecamatan Rancabali, Bandung pada musim kemarau (MK) 2001, mulai bulan Mei-September 2001. Lokasi penelitian berada pada ketinggian 1.400 m di atas permukaan laut. Penelitian menggunakanRancangan Acak Kelompok (RAK) dengan lima perlakuan sistem penanaman dan tiga ulangan. Kelima perlakuantersebut terdiri dari: (1) kentang monokoltur, (2) tumpangsari kentang + seledri, (3) kentang + bawang daun, (4)bawang daun monokultur, dan (5) seledri monokultur. Varietas kentang yang digunakan adalah Granola, bawang daunvarietas Papak Kuningan, sedangkan seledri varietas Bemby. Jarak tanam kentang monokultur 70 x 30 cm, kentangtumpangsari 70 x 50 cm, sedangkan seledri dan bawang dan baik yang ditanam tumpangsari maupun monokultur 20 x20 cm. Luas plot masing-masing perlakuan 60 m2 . Hasil penelitian menunjukkan bahwa: (1) Tinggi tanaman kentangyang ditanam secara tumpangsari dengan bawang daun lebih tingi dari pada yang ditumpangsarikan dengan seledrinamun hampir sama dengan yang ditanam monokultur, (2) Jumlah tunas tanaman bawang daun maupun seledri lebihbanyak pada sistem monokultur dibandingkan dengan sistem tumpangsari, (3) Hasil kentang sistem penanamantumpangsari baik dengan seledri maupun bawang daun lebih rendah dari pada secara monokultur, namun jika hasiltanaman yang ditumpangsarikan disetarakan dengan kentang, maka produktivitas lahan lebih tinggi diperoleh dengansistem penanaman tumpangsari kentang seledri atau bawang daun di mana nilai kesetaraan lahan (NKL) > 1. NKLtertinggi diperoleh pada tumpangsari kentang + seledri, yaitu 1,19, (4) Tumpangsari kentang + seledri dapatmenurunkan serangan hama daun Trips sebesar 44 persen dan hama kutu daun Myzus persicae sebesar 55,6 persenpada tanaman kentang, dan (5) Sistem penananam tumpangsari kentang + seledri secara finansial palingmenguntungkan, dengan tingkat pengembalian marginal 81,45 persen.Kata kunci: kentang, tumpangsari, dataran tinggi, pendapatan, Bandung
Uji Kelayakan Teknis dan Finansial Penggunaan Pupuk NPK Anorganik pada Tanaman Kentang Dataran Tinggi di Jawa Barat Sutrisna, Nana; Suwalan, S; Ishaq, I
Jurnal Hortikultura Vol 13, No 1 (2003): Maret 2003
Publisher : Indonesian Center for Horticulture Research and Development

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Abstract

Penelitian ini dilaksanakan di Desa Alamendah, Kecamatan Rancabali, Kabupaten Bandung pada musim kemarau 2001. Lokasi penelitian termasuk lahan dataran tinggi dengan ketinggian 1.400 m dari permukaan laut dengan jenis tanah andosol. Tujuan penelitian adalah untuk mengetahui kandungan unsur hara beberapa jenis pupuk alternatif NPK anorganik dan pengaruhnya terhadap pertumbuhan, produksi, dan pendapatan usahatani kentang sebagai dasar penyusunan  rekomendasi teknologi penggunaan  pupuk  alternatif. Percobaan  menggunakan  rancangan  acak kelompok dengan delapan perlakuan dan empat ulangan. Hasil analisis tanah menunjukkan bahwa tanah di lokasi penelitian memiliki ketersediaan unsur N rendah, namun P2O5 dan K2O tinggi, serta pH tanah agak rendah (5,2). Hasil analisis hara dari beberapa jenis pupuk alternatif NPK anorganik menunjukkan bahwa kandungan unsur N, P2O5, dan K2O yang tertera pada label/kemasan tidak sesuai dengan hasil analisis di laboratorium. Dari 10 jenis pupuk yang diuji hanya 30% yang unsur N-nya sesuai, 40% unsur P2O5  sesuai,  dan 50% unsur K2O-nya yang sesuai. Pengaruh penggunaan pupuk NPK anorganik terhadap tinggi tanaman dan jumlah tunas tidak berbeda nyata dengan kontrol, namun pupuk NPK 20-9-9 dapat meningkatkan produksi  umbi sebesar 13,34% dari rata-rata produksi di tingkat petani. Pupuk NPK 20-9-9 pada tanaman kentang memberikan tingkat pengembalian marginal tertinggi, yaitu 1,74 (174%), sehingga paling menguntungkan dibandingkan perlakuan lainnya dan layak untuk direkomendasikan. Kata kunci : Solanum tuberosum; Pupuk anorganik; Kentang; Lahan dataran tinggi; Pertumbuhan; Hasil. ABSTRACT. The research of NPK fertilizers usage was carried out on dry season of 2001 in Alamendah village, Rancabali, Bandung. The experimental location was 1,400 meters above sea level and of andosol soils. The objective of the study was to investigate the composition of several NPK anorganic fer- tilizers and the effects on growth, yield, and profit for potato farming as the basis for technical recommendations re- garding the usage. The experimental was randomized block design with eight treatments and four replications. The soil analysis results showed that the plots were low in nitrogen availability while P2O5 and K2O levels were quite high. The investigation revealed that the stated compositions of nitrogen, phosphorus, and potassium on the respective la- bels were not in accordance with the results of laboratory analysis. Among ten fertilizers tested, the number actually containing the stated levels of nitrogen, phosphorus, and potassium were 30, 20, and 40% respectively. Plant height and number of shoots/plant were not significantly different from the control for any of the alternative fertilizers NPK anorganic used. The use of fertilizer NPK 20-9-9 showed an average yield increase of 13.34% over typical farmer pro- duction methods. The increase in yield was one of the main factors resulting in a marginal return of 174% for fertilizer NPK 20-9-9 as well. Form these results it appears the fertilizer NPK 20-9-9 may be recommended for potato farming in West Java.
Kajian Formula Pupuk NPK Pada Pertanaman Kentang Lahan Dataran Tinggi di Lembang Jawa Barat Sutrisna, Nana; Surdianto, Yanto
Jurnal Hortikultura Vol 24, No 2 (2014): Juni 2014
Publisher : Indonesian Center for Horticulture Research and Development

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Abstract

Pupuk merupakan salah satu faktor penentu keberhasilan usahatani kentang. Berbagai jenis pupuk telah banyak dihasilkan, namun yang sesuai dengan kondisi wilayah dan dapat meningkatkan produktivitas kentang masih perlu dilakukan penelitian. Tujuan penelitian ialah memperoleh formula dan takaran pupuk majemuk NPK untuk pertanaman kentang lahan dataran tinggi di Lembang, Jawa Barat. Penelitian dilaksanakan di Desa Mekarwangi, Kecamatan Lembang. Kegiatan dimulai sejak bulan Juli sampai dengan November 2012. Percobaan menggunakan faktorial 2x2x3 dengan rancangan lingkungan acak kelompok dan diulang tiga kali. Faktor pertama ialah jenis bahan baku utama pupuk NPK yang terdiri atas dua taraf, yaitu: (1) berbasis Urea dan (2) berbasis amonium nitrat. Faktor kedua ialah formula pupuk NPK Kujang yang terdiri atas dua taraf, yaitu: (1) NPK dengan formula 16-11-11 dan (2) NPK dengan formula 16-16-16. Faktor ketiga ialah dosis atau takaran pupuk yang terdiri atas tiga taraf, yaitu: (1) 12,6 g/pohon, (2) 14,7 g/pohon, dan (3) 16,8 g/pohon. Hasil penelitian menunjukkan bahwa (1) formula pupuk NPK majemuk berbasis amonium nitrat relatif lebih baik terhadap pertumbuhan tanaman kentang dan meningkatkan produktivitas kentang lahan dataran tinggi di Lembang, Bandung sebesar 11,5% dibandingkan dengan formula pupuk NPK berbasis Urea, dan (2) produktivitas tanaman kentang tertinggi diperoleh pada takaran pupuk NPK berbasis amonium nitrat formula 16-16-16 sebesar 16,8 g/pohon atau 700 kg/ha, yaitu 14,687 t/ha, meningkat 13,28% dari takaran pupuk 12,6 g/pohon, dan 7,01% dari takaran pupuk 14,7 g/pohon
Land Characteristics Study as Halal Tourism Destination Supporting Factors at Benang Kelambu Waterfall in Central Lombok Regency of West Nusa Tenggara Province Febriani, Trina; Dasrizal, Dasrizal; Sutrisna, Nana
Sumatra Journal of Disaster, Geography and Geography Education Vol 2 No 1 (2018): Sumatra Journal of Disaster, Geography and Geography Education Volume 2 Number 1
Publisher : Sumatra Journal of Disaster, Geography and Geography Education

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Land is one of supporting factors of Halal Tourism Destination at Benang Kelambu Waterfall in Central Lombok Regency. This research was aimed to collect, process, analyse the data and discuss about land characteristics as supporting factors of Benang Kelambu Waterfall Halal. This study used a descriptive analysis method. This study was focus on 1) Describing the land characteristics in supporting the development of Benang Kelambu Waterfall tourism destination. 2) Describing the concept of land use related to supporting factors of Benang Kelambu Waterfall Halal Tourism Destination. The land characteristics include the topography, region, soil type and climate. In this research, factors in developing concept of tourism were tourism potential, tourist attraction, tourism land resources, accessibility, facility and infrastructure, and land use management. After processing and analyzing collected data, Benang Kelambu Waterfall was rated as 83-101 or classified as cultivation and forest area so that it could be managed and used for tourism area.
Prospek Pengembangan Sorgum di Jawa Barat Mendukung Diversifikasi Pangan Irawan, Bambang; Sutrisna, Nana
Forum penelitian Agro Ekonomi Vol 29, No 2 (2011): Forum Penelitian Agro Ekonomi
Publisher : Pusat Sosial Ekonomi dan Kebijakan Pertanian

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Abstract

EnglishOne of issues in Indonesia related with food security is reliance on imported foods, especially wheat and rice. To cope with this issue, development of local food crops substitute to both foods is essential particularly those adapted to dry land characterized by barrenness, high erosion risk, and limited water supply. Sorghum is one of local food crops to these drought characteristics. Use of sorghum as flour for producing processed foods (noodles, breads, cakes, etc.) can substitute up to 15 to 50 percent of wheat flour. Other industrial products, as well as bio-ethanol, can also be produced using sorghum. Sorghum crop waste is contains high nutrients appropriate for animal feed. To encourage sorghum cultivation in the dry land it is necessary to apply an integrated agribusiness, namely sorghum plant, flour processing, bio ethanol processing, and cattle farming, conducted in a large scale. Development of sorghum processing industries is essential in expanding sorghum market as well as its economic value. In the same time cattle farming is essential to maintain dry land fertility. As an initial stage, this integrated business should be conducted by BUMN (government own companies) facilitated by subsidized investment credit. IndonesianSalah satu masalah yang dihadapi Indonesia berkaitan dengan ketahanan pangan adalah ketergantungan terhadap bahan pangan impor terutama beras dan gandum. Untuk mengatasi masalah tersebut maka perlu dikembangkan bahan pangan lokal lain yang dapat mensubstitusi kedua bahan pangan tersebut dan dapat dikembangkan pada lahan kering yang umumnya memiliki kesuburan rendah, peka terhadap erosi dan ketersediaan air terbatas. Sorgum merupakan tanaman pangan lokal yang dapat dikembangkan pada lahan kering dan penggunaan tepung sorgum untuk pembuatan berbagai produk makanan olahan (mie, roti, kue, dst) dapat mensubstitusi 15%-50 persen tepung gandum. Berbagai produk industri lainnya dan bioetanol juga dapat dibuat dari sorgum sementara limbah tanaman sorgum  bernilai gizi tinggi untuk bahan pakan ternak. Untuk mendorong pengembangan tanaman sorgum di lahan kering perlu diterapkan sistem usaha yang terintegrasi : tanaman sorgum - pengolahan tepung sorgum – pengolahan bioetanol - ternak sapi dalam skala luas. Pengembangan industri pengolahan sorgum diperlukan untuk meningkatkan nilai ekonomi dan memperluas pasar sorgum sedangkan pengembangan ternak sapi diperlukan untuk mempertahankan kesuburan lahan kering. Sebagai inisiasi, pengembangan usaha yang terintegrasi tersebut perlu dilaksanakan oleh BUMN yang difasilitasi dengan subsidi kredit investasi.