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Optimasi Jarak Tanam dan Pemupukan NPK Terhadap Peningkatan Produksi Tanaman Edamame (Glycine max L. Merrill.) Jumiatun Jumiatun; Dewi Puspa Arisandi; Mahindra Dewi Nuraisyah; Satria Indra Kusuma; Dety Oktavia Sulistiono; Hani Ristanti
Jurnal Ilmiah Inovasi Vol 26 No 1 (2026): April
Publisher : Politeknik Negeri Jember

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Abstract

Edamame (Glycine max L. Merill.) merupakan tanaman potensial untuk dikembangkan. Kebutuhan edamame terus meningkat sehingga diperlukan upaya untuk meningkatkan produksinya. Penelitian ini bertujuan untuk menganalisis optimasi jarak tanam dan pemupukan NPK terhadap pertumbuhan dan produksi tanaman edamame. Penelitian ini menggunakan Rancangan Acak Kelompok Faktorial (RAKF), dengan 2 faktor terdiri dari jarak tanam dan pemupukan NPK. Perlakuan jarak tanam terdapat 3 taraf yaitu 30 cm x 20 cm, 25 cm x 15 cm dan 20 cm x 10 cm x 40 cm. Perlakuan pemupukan NPK terdapat 3 taraf yaitu 300 kg/ha, 350 kg/ha dan 400 kg/ha. Hasil penelitian menunjukkan bahwa jarak tanam 20 cm x 15 cm berbeda nyata pada tinggi tanaman, jumlah bintil akar, berat tajuk, berat akar, jumlah polong, berat polong per tanaman. Perlakuan jarak tanam 20 x 15 cm dengan pemupukan NPK 300 kg/ha dapat meningkatkan berat polong sebesar 25.67%.
Efisiensi Usahatani Bibit Tebu Bagal dan Strategi Pengembangan Sistem Pembibitan di Kecamatan Balung Jember Nur Aini Alfiah; Dewi Puspa Arisandi; Dewi Fatmawaty Sabiku
Jurnal Ilmiah Membangun Desa dan Pertanian Vol. 10 No. 3 (2025)
Publisher : Department of Agribusiness, Halu Oleo University Jointly with Perhimpunan Ekonomi Pertanian Indonesia - Indonesian Society of Agricultural Economics (PERHEPI/ISAE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37149/jimdp.v10i3.2123

Abstract

Sugarcane is a key plantation crop and the primary source of sugar in Indonesia. However, over the past decade, rising demand has not been matched by domestic production, which has continued to decline. Improving productivity can be achieved through the use of high-quality seed. However, farmers face limited access as supply from sugar mill networks is scarce. Interest in self-producing seed remains low due to limited awareness of its comparable economic benefits to cane cultivation for milling. This study aims to assess the efficiency of seed cane production in Balung District, Jember Regency, and to identify sustainable strategies for developing an independent sugarcane seed production system at the farmer level. The results are expected to provide recommendations for farmers on improving the availability and quality of self-produced seed, serving as a reference for decision-making in developing a more efficient and sustainable sugarcane seed propagation system. The research was conducted from January to March 2025 in Balung Sub-district, Jember Regency, involving a single farmer as the primary respondent, who manages a seed production area of 1.125 hectares. Observed variables included total cost, revenue, profit, and financial efficiency parameters, such as the R/C ratio, B/C ratio, Break-Even Point (BEP), and sensitivity analysis. Data were analyzed using farm business and financial efficiency analysis methods. The results showed that bud-set sugarcane seed production is feasible and profitable, with a total cost of IDR 36,740,000.00/ha, a projected revenue of IDR 50,400,000.00/ha, and a profit of IDR 13,660,000.00 per hectare, assuming a 1:7 multiplication ratio. The R/C ratio was 1.38, and the return on investment (ROI) reached 138%. BEP and sensitivity analyses also indicated that the business remains efficient even under price fluctuations or increased production costs. It is recommended that local stakeholders support farmer training and seed certification to encourage wider adoption of independent seed production.
Co-Authors Dety Oktavia Sulistiono Dewi Fatmawaty Sabiku Hani Ristanti Jumiatun Jumiatun Mahindra Dewi Nuraisyah Nur Aini Alfiah Satria Indra Kusuma