Judul: Dampak Pengembangan Komoditas Perkebunan Terhadap Perekonomian Provinsi Jambi
Abstrak: Jambi is one of the central of estate crop productions in Indonesia. In 2006, the Minister of Agriculture issued the Regulation about Revitalization Program. Revitalization Program is an effort to accelerate the development of smallholders through expansion, renovation and rehabilitation of tree crops. Along with minister of agriculture policy, the Jambi province activities focused on the development commodity rubber, oil palm, coconut and coffee. The purpose of this study is to identify the factors that affect the area, production, productivity, commodity prices and export in the Jambi province, on each of the commodities (rubber, oil palm, coconut, coffee and Jambi), and to analyze the impact of development of commodities on the economy of Jambi province. This study employs an econometric model consisting of 17 structural equations and 9 identity equations. This study uses secondary data is structured as pooled annual data on nine districts in Jambi province, starting 2000 until 2009. The result of this study shows the only expansion of rubber, palm oil, and coffe which can improve the economy of Jambi.
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Judul: Peranan Investasi Sektor Pertanian dalam Pertumbuhan Perekonomian Provinsi Jambi: “Pendekatan Input-Output dan Analitycal Hierarchy Process (AHP)
Abstrak: This research used the input-output analysis and Analitycal Hierarchy Process (AHP) to know the role investment of agricultural sector in economic growth Jambi provinces. The research aimed: (1) analyze the level of backward and forward linkages of agricultural sector with other economic sectors; (2) analyzing the impact of the agricultural sector investment towards the establishment of output, income, and labor; (3) analyze the factors that drive the policies and decisions of investors to invest in agriculture. The analysis showed that the role of agricultural sector in the province of Jambi is a huge. It can be seen from its contribution to the formation of the structure of final demand, output and value added in the economic structure of Jambi Province in 2010. The role played by the agricultural sector is a key sector of agricultural commodities (the leading sectors) Jambi Province. In addition, the role of the agricultural sector can also be seen from the backward linkages and forward linkage on the economy of Jambi Province. Based on linkage analysis, linkage sectors have direct and indirect output to the rear is dominated by the agricultural sector both on-farm and offfarm, the sector is the sector of rubber; Industry CPO; Sawmills and Wood Processing Industry; Pinang; and Plywood Industry likes; Industrial Building Materials and Furniture of Wood; Eggs; Palm oil; Industrial Rubber, Rubber and Plastic Goods, while the agricultural sector has a direct and indirect linkages to the highest front rubber sector; other food industry sectors; rice sector, and forest products. The changes value with the highest percentage due to the impact of agricultural sector investment to the formation of the value of output, income and labor that largest is the plantation sub-sector. That has the highest level of importance in influencing the policy of investment is a infrastructure factor with the actor of the most decisive is BAPEDDA Province of Jambi.
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Judul: Pembuatan Film Tipis Cu2ZnSnS4 sebagai Lapisan Penyerap Cahaya pada Sel Surya Menggunakan Metode Elektrodeposisi
Abstrak: Thin film of Cu2ZnSnS4 (CZTS) is an alternative semiconductor used as light absorber layer on solar cell. CZTS can replace silicon that commonly used as commercial semiconductor. The advantage of using CZTS as absorber layer is due to the abundance of its chemical composer on earth, and its high value of absorption coefficient. The absorber layer was made by using electrodeposition method on ITO glass substrates. The films were deposited at room temperature using potentiostatic mode with a potential of –1.05 V for 30, 45, and 60 minutes. After that, the films were annealed at two different temperatures, 180 ºC and 500 °C, for 45 minutes in N2/H2S atmosphere. Based on X-ray diffraction analysis, the polycrystalline thin film obtained fall into kesterite crystal phase. This type of crystal was obtained when the CZTS was annealed at 500 °C in H2S/N2 atmosphere. The value of optical band gap energy for the CZTS thin film was 2.2 eV with the film thickness about 1.228–6.366 μm. The sample of CZTS with electrodeposition time of 45 minutes and annealing temperature of 500 °C showed the best result and in conformity with absorber layers criteria for solar cells.
Keyword: semiconductor, ITO glass, CZTS thin film, electrodeposition