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Respons Genotipe Kedelai sebagai Tanaman Sela pada Tumpang Sari dengan Ubi Kayu Titik Sundari; Purwantoro Purwantoro; Rina Artari; Yuliantoro Baliadi
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 1 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (697.431 KB) | DOI: 10.18343/jipi.25.1.129

Abstract

Soybean development to intercropping is one of the opportunities to increase soybean planting area. Each soybean variety has different responses to intercropping so it is required to study soybean varieties that are suitable or adaptive to intercropping environments. Therefore, a research was conducted to determine the response of soybean genotypes in intercropping with cassava. The research was conducted at the Jambegede Research Station, Malang in February to December 2018, in two environments, namely intercropping (L1) and monoculture (L2), with two planting times, namely three weeks (T1) and 4 months (T2) after cassava planting. Twelve promising lines and three varieties (Dena 1, Dena 2, and Grobogan) were used as research materials. A completely randomized block design with three replications was used to arrange the treatments in each environment. The results showed that the responses of each soybean genotype tested as intercrops on intercropping system with cassava were varied, depending on the soybean planting time. GH-5 and GH-6 soybean genotypes are suitable for the first intercrop (T1), while GH-3 are suitable as the second intercrops (T2) in intercropping system with cassava + Soybean, with higher stress tolerance index (STI) and lower weighted sensitivity index (WSI) than the other genotypes tested. Based on the land equivalent ratio (LER), intercropping of cassava with GH-5, GH-6, or GH-3 soybean genotypes was advantageous (RKL>1.0). Keywords: land equivalent ratio, stress tolerance index, weighted sensitivity index
ANALISIS FINANSIAL PENERAPAN TEKNOLOGI BUDIDAYA KEDELAI BIODETAS PADA LAHAN SAWAH TADAH HUJAN Dian Adi Anggraeni Elisabeth; Arief Harsono; Titik Sundari; Novita Nugrahaeni
Jurnal Pengkajian dan Pengembangan Teknologi Pertanian Vol 22, No 1 (2019): Maret 2019
Publisher : Balai Besar Pengkajian dan Pengembangan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jpptp.v22n1.2019.p15-26

Abstract

Financial Feasibility Study of Biodetas as a Soybean Production Technology Package on Rainfed Area. For achieving soybean self-sufficiency target in 2018-2020, the Government of Indonesia (the GoI) makes some efforts for increasing soybean production. The efforts require a significant increase in productivity as well as harvest area. The great potential for soybean cultivation area expansion in Indonesia is rainfed area. Soybean productivity in rainfed area is around 1.5 t/ha, which is expected to be increased in the range of 1.8-3.2 t/ha as some previous research results on the same soil type depending on input and cultivar used. Indonesian Legumes and Tuber Crops Research Institute (Iletri) has supported the GoI program by doing the dissemination of soybean production technology packageon rainfed area namely Biodetas which was conducted during the dry season of 2017 in Tompobulu sub-district, Maros Regency, South Sulawesi Province. The dissemination development scale of Biodetas was 40 ha then compared to 5 ha of the existing cultivation and 5 ha of BiodetasPlus. Research aimedĀ  to study the financial feasibility of Biodetas on rainfed area. The application of Biodetas and BiodetasPlus on rainfed alfisol with pH 6.2-6.7, sandy clay loam texture, and moderate fertility in Tompobulu ia able to increase soybean yield to respectively 2.7 t/ha and 3.2 t/ha, 71.1% and 101.3% higher than the existing producing 1.6 t/ha. Biodetas technology is efficient and economically feasible to be adopted by farmers with B/C ratio is 1.2 and MBCR is 2.2. Production cost of Biodetas for 1 kg of soybean is the lowest, respectively 81.5% and 82.1% production cost of existing and BiodetasPlus.Keywords: soybean, productivity, economic feasibility, rainfed areaABSTRAKDalam rangka mencapai target swasembada kedelai pada 2018-2020, pemerintah Indonesia terus berupaya meningkatkan produksi kedelai nasional. Upaya ini memerlukan peningkatan produktivitas dan luas panen yang signifikan. Areal tanam kedelai di Indonesia yang memiliki potensi besar untuk diperluas adalah sawah tadah hujan. Produktivitas kedelai di lahan sawah tadah hujan umumnya mencapai 1,5 t/ha, yang dapat ditingkatkan sampai 1,8-3,2 t/ha berdasarkan penelitian-penelitian sebelumnya bergantung pada input dan varietas yang digunakan. Balitkabi mendukung program pemerintah tersebut dengan melaksanakan diseminasi teknologi budidaya kedelai di lahan sawah tadah hujan (Biodetas) yang dilaksanakan pada musim kering 2017 di Kecamatan Tompobulu, Kabupaten Maros, Provinsi Sulawesi Selatan. Skala pengembangan diseminasi teknologi Biodetas adalah 40 ha, yang kemudian dibandingkan dengan teknologi Rekomendasi 5 ha dan Biodetas Plus 5 ha. Tujuan penelitian adalah untuk menganalisis kelayakan finansial teknologi Biodetas di lahan sawah tadah hujan. Penerapan teknologi Biodetas dan Biodetas Plus pada sawah tadah hujan alfisol pH 6,2-6,7 dengan tekstur tanah debu pasir berliat dan tingkat kesuburan sedang di TompobuluĀ  mampu meningkatkan hasil kedelai berturut-turut sebesar 2,72 t/ha dan 3,20 t/ha, 71,1% dan 101,3% lebih tinggi daripada teknologi Rekomendasi yang menghasilkan 1,59 t/ha. Teknologi Biodetas efisien dan secara ekonomi layak diadopsi oleh petani dengan B/C rasio 1,2 dan MBCR 2,2. Biaya produksi per kg kedelai dengan penerapan teknologi Biodetas adalah terendah, berturut-turut sebesar 81,5% dan 82,1% biaya produksi teknologi Rekomendasi dan Biodetas PlusKeywords: soybean, productivity, economic feasibility, rainfed area
Pendekatan Preferensi sebagai Umpan Balik pada Calon Varietas Unggul Baru yang Berdaya Saing Imam Sutrisno; Titik Sundari; Febria Cahya Indriani; Nila Prasetiaswati; Joko Restuono
Proceedings Series on Physical & Formal Sciences Vol. 4 (2022): Prosiding Seminar Nasional Fakultas Pertanian dan Perikanan
Publisher : UM Purwokerto Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/pspfs.v4i.484

Abstract

Purple sweet potato farming in Banyuwangi as a mainstay commodity to support farmers' income. The local variety TW became the preferred local variety, but farmers began to complain about the decline in productivity. These problems need an effort to improve the use of local varieties in the use of superior varieties in restoring the productivity level of purple sweet potato to its original state. Thus, it is necessary to dame plots of prospective superior varieties to obtain farmer's assessment and preferences before purple sweet potato clones are released into varieties that have legality as VUB. The results showed that farmers and traders liked the skin and tuber shape of MSU 1001-15 and MSU 1002-07 clones. The reasons farmers chose the two clones were because: 1) they had a bright color and rather thick skin, 2) the shape of the large tubers was not too round and elongated, and the yield was high. The value of purple sweet potato farming in Banyuwangi is economically feasible in terms of marketing and income value which has a significant advantage.