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Agus Supriatna Somantri
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Kajian Model Agroindustri Padi Berbasis Klaster (Study of Cluster-Based Rice Agroindustry Models) Suismono, Suismono; Rachmat, Ridwan; Somantri, Agus Supriatna; Tjahjohutomo, Rudy
JURNAL PANGAN Vol 22, No 2 (2013): PANGAN
Publisher : Perum BULOG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (580.705 KB) | DOI: 10.33964/jp.v22i2.80

Abstract

Penerapan Model Agroindustri Padi berbasis klaster bertujuan untuk menghasilkan beras berkualitas dalam skala besar secara kontinyu. Selama ini kualitas beras yang ada di pasaran sangat beragam, dan secara kuantitatif jumlah beras yang berkualitas masih terbatas, terutama di luar Jawa. Hal ini disebabkan beras yang ada di pasaran disuplai oleh penggilingan skala kecil, menengah dan besar yang beragam kualitasnya, serta adanya manipulasi mutu beras di tingkat penggilingan padi dan pedagang beras. Model agroindustri berbasis klaster dimaksudkan adanya kerjasama antara penggilingan padi skala kecil dan menengah (sebagai klaster) dengan penggilingan padi skala besar (sebagai inti). Pada tahap awal kerjasama difokuskan pada aspek prosesing karena teknologi penggilingan padi skala kecil menengah masih terbatas. Pola kerjasama ini akan menghasilkan beras berkualitas sedang, kemudian diproses lagi oleh penggilingan padi skala besar agar menghasilkan beras berkualitas. Pada tahap selanjutnya, bila penggilingan padi skala kecil-menengah telah mampu menghasilkan beras berkualitas, kerjasama dengan penggilingan padi skala besar dilanjutkan pada aspek pemasaran beras. Kajian penerapan model agroindustri padi berbasis klaster dilakukan di Sulawesi Selatan dan non Klaster di Sulawesi Tenggara. Hasil penerapan model penggilingan padi berbasis klaster pada tahap awal perbaikan teknologi penggilingan padi dapat menghasilkan beras berkualitas premium dalam skala besar.The application of Rice Agroindustry Models-based clusters to produce the quality rice in a large-scale continuously. Rice quality on the market are very diverse, and the quantitative amount of quality rice is still limited, especially outside Java. This is due to the existing of rice in the market is supplied by small-scale, medium and large that produced various quality of rice, as well as the manipulation of the quality rice in rice milling and rice traders. Rice Agroindustry Models-based clusters meant the cooperation between small-scale rice mills and medium (as a cluster) with a large-scale rice milling (the core). In the early stages of cooperation, it is focused on technological aspects of rice processing for small and medium scale rice milling to produce resulting the medium quality rice, then re-processed by the large-scale rice milling that produce the high quality rice. At a later stage, when small-scale rice milling have been able to produce high quality rice, the cooperation with large-scale rice milling is expanded in the rice marketing aspects. Study of the Rice Agroindustry Models-based clusters performed in South Sulawesi and Southeast Sulawesi for non cluster. The results of the application the Rice Agroindustry Models-based clusters in the early stages show that improvement of rice milling technology can produce premium quality rice on a large scale. 
MODEL MATEMATIKA KADAR AIR KESEIMBANGAN DUA PARAMETER UNTUK LADA Somantri, Agus Supriatna
Buletin Penelitian Tanaman Rempah dan Obat Vol 14, No 1 (2003): BULETIN PENELITIAN TANAMAN REMPAH DAN OBAT
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/bullittro.v14n1.2003.%p

Abstract

The Mathematical Model for Two Parameters of Equilibrium Moisture Content for Black PepperEquilibrium of Moisture Content (EMC) plays an important role in drying and storage processes. The research was conducted at the Post Harvest Laboratory, Research Institute for Spices and Medicinal Crops, from June 2 to 30, 2001. The research aimed to determine a suitable model of isotherm sorption for pepper commodities, which can be applied on drying and storage processes at the field. The method used was the static method at temperature 40, 45 and 50 oC and range of water activity (Aw) 0.20 – 0.64. The models correlated were the Henderson, Chung-Pfost, Oswin and Halsey, by using numerical method with the BASIC language. The result showed that the two parameters (temperature and relative humidity) of mathematical model had given good result compared with the experimental data. The model of Halsey showed the best accuracy among the other models and it can be used for prediction of the isotherm sorption for black pepper, while the Oswin model for white pepper. 
Identifikasi Sifat-Sifat Hantaran Panas Pada Lada Somantri, Agus Supriatna; Yuliani, Sri; Tambunan, Armansyah H.
Buletin Penelitian Tanaman Rempah dan Obat Vol 13, No 2 (2002): Buletin Penelitian Tanaman Rempah dan Obat
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/bullittro.v13n2.2002.33-40

Abstract

Pengaruh Ukuran Sampel, Frekuensi, dan Suhu terhadap Sifat Biolistrik Tebu (Saccharum officanarum L.) untuk Prediksi Cepat Rendemen Tebu Sucipto, Sucipto; Al Riza, Dimas Firmanda; Hasan, Muhammad Lutfi Almer; Yuliatun, Simping; Supriyanto, Supriyanto; Somantri, Agus Supriatna
Industria: Jurnal Teknologi dan Manajemen Agroindustri Vol 5, No 3 (2016)
Publisher : Department of Agro-industrial Technology, University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1010.711 KB) | DOI: 10.21776/ub.industria.2016.005.03.4

Abstract

AbstrakRendemen tebu umumnya ditetapkan berdasarkan nilai rendemen sementara (RS) yang tidak akurat dan rumit bagi petani. Pendugaan rendemen tebu dengan metode biolistrik, berpeluang dikembangkan menjadi solusi yang mudah, praktis, dan cepat. Akan tetapi belum terstandarnya teknik persiapan sampel untuk pengukuran sifat biolistrik tebu masih menjadi kendala. Penelitian ini bertujuan untuk menentukan standar pengukuran sifat biolistrik dan memilih sifat biolistrik yang paling berkontribusi digunakan untuk prediksi rendemen tebu. Pengukuran biolistrik (impedansi, konstanta dielektrik, dan kapasitansi)  dilakukan dengan variasi panjang sampel tebu, dan frekuensi pengukuran. Sebagai tambahan, pengaruh temperatur lingkungan juga dipertimbangkan sebagai faktor koreksi. Hasil pengukuran kemudian dibandingkan dengan metode konvensional pengukuran rendemen tebu. Dari hasil eksperimen direkomendasikan standar persiapan sampel tebu yakni dengan ukuran panjang 3 cm dan frekuensi pengukuran 1000 Hz untuk pengukuran sifat biolistrik tebu. Nilai kapasitansi berpengaruh nyata terhadap nilai rendemen direkomendasikan sebagai variabel untuk mengembangkan pengukuran cepat rendemen tebu. Kata kunci: Tebu, sifat biolistrik, metode dielektrik, pengukuran cepat, rendemen AbstractSugarcane yield is commonly determined based on the first yield (RS) which is inaccurate and considered as a complex method for the farmer. Prediction of sugarcane yield with bioelectric method have a potential to be developed as an easy, handy, and quick solution. However, unstandardized sample preparation techniques to measure bioelectrical of sugarcane still become a problem. This research aim is to determine measurement standard for bioelectric properties and select the most important properties for sugarcane yield prediction. Bioelectric properties (impedance, dielectric constant, and capacitance) measurement was carried out with variation of sample length and measurement frequency. Additionally, the effect of ambient temperature also considered as a correction factor. The results then was compared with the conventional method. The result recommend a preparation standard of sugarcane sample length is 3 cm with measurement frequency of 1000 Hz to measure the bioelectrical properties of sugarcane. The capacitance value correlated significantly to the yield that is recommeded as variable to develop rapid measurement of sugarcane yield.Keywords: Sugarcane, bioelectrical properties, dielectric method, rapid measurement, yield
Co-Authors Dimas Firmanda Al Riza Muhammad Lutfi Almer Hasan, Muhammad Lutfi Almer Ridwan Rachmat Rudy Tjahjohutomo Simping Yuliatun, Simping Sucipto Sucipto Suismono, Suismono Supriyanto Supriyanto Tambunan, Armansyah H. Yuliani, Sri