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All Journal Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Journal of Tropical Soils Jurnal Penelitian Pertanian Terapan AGROMIX Agro Bali: Agricultural Journal Media Agribisnis Planta Simbiosa : Jurnal Tanaman Pangan dan Hortikultura Jurnal Pengabdian Nasional Jurnal Wacana Pertanian Jurnal Pengabdian Dharma Wacana
Rakhmiati Rakhmiati
Sekolah Tinggi Ilmu Pertanian Dharma Wacana
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Medicine & Pharmacology Social Sciences

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Journal : Jurnal Wacana Pertanian

 1 
PENGARUH LAMA FERMENTASI TERHADAP MUTU TEPUNG UBI JALAR (Ipomea batatas L.) BERBAGAI WARNA UMBI Dewi Novita Sari; Rakhmiati Rakhmiati; Etik Puji Handayani
Jurnal WACANA PERTANIAN Vol 15, No 1 (2019): Jurnal Wacana Pertanian
Publisher : STIPER Dharma Wacana Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37694/jwp.v15i1.30

Abstract

The usage development can be increased by applying right cultivating and processing  technology to grow sweet potato agroindustry that can help increasing economy value and lengthening storability. One of sweet potato potencies that can be developed in food diversification is sweet potato flour processing. The objective of this research is to study about the effect of fermentation time and various color of sweet potato to the quality of sweet potato flour. The research was done on April until June 2015 in Basic Laboratory of Agricultural College of Dharma Wacana, while the proximate test for the flour of fermented sweet potato was done in Agricultural Product Technology Laboratory of State Polytechnic Lampung. The research design used in this study was Complete Group Random Design (RAKL) arranged factorially by three repetitions. The first factor is fermentation time (t) that has 3 levels: 5 days (t1), 7 days (t2), and 9 days (t3). The second factor is the color of sweet potato (w) that has 3 levels: white (w1), yellow (w2), and purple (w3). The finding result shows that the effect of fermentation time and various color of sweet potato have real impact towards the flour yield, ash content, color, and  flour smell as well as nutrient content of sweet potato such as water, protein, fat, crude fiber, and carbohydrate. Generally, there is no interaction except for the flour color and ash content.
Kajian Pemanfaatan Pembenah Tanah Untuk Pertanian Berkelanjutan Pada Lahan Sawah Sub Optimal Di Propinsi Lampung Ishak Yuarsah; Rakhmiati Rakhmiati; Etik Puji Handayani; Yatmin Yatmin
JURNAL WACANA PERTANIAN Vol 14 No 1 (2018): Jurnal Wacana Pertanian
Publisher : Pusat Penelitian dan Pengabdian pada Masyarakat Sekolah Tinggi Ilmu Pertanian Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The study was conducted in Lampung Province with consideration for soil fertility in rice fields are planted with rice tends to go down, so that the harvest of dry grain production leveling off. The method used is a survey method, including primary data collection through interviews using questionnaires. Identification of using soil conditioner collected to reveal information about the type of soil conditioner that is known farmers and types soil conditioner once used by farmers. The aim of this study were: (1) an inventory of the type soil conditioner known and used by farmers, as well as the resources and applications dose; (2) determine the benefits and constraints use soil conditioner at the farm level, (3) to study soils conditioner prospect to increase land productivity. The results showed that the organic matter, soil conditioner types known and used in Central Lampung District is Zeolite Agro 2000, ZP.30 (enrichment zeolit with P nutrient) and dolomite, whereas in the East Lampung District is a regular zeolite and dolomite. The use of soil conditioner in both districts useful to increasing the production of rice crop about 10-30%, also improve soil fertility and increase the efficiency of nutrient uptake of inorganic fertilizers.
Co-Authors Adi Hariyanto Arif Ferdiansyah Dewi Novita Sari Dwi Haryono Fikri Syahputra Handayani, Etik Puji Ishak Yuarsah Jamaludin Jamaludin Krisnarini, Krisnarini Ktut Murniati Maryati Maryati Raffel Jubili Sitompul Soni Isnaini Supriyadi Supriyadi Syafiuddin Syafiuddin Vitratin Vitratin Wan Abbas Zakaria Yatmin Yatmin Yatmin Yatmin Zulkarnain Zulkarnain zulkarnain zulkarnain Zulkarnain Zulkarnain