Judul: Analisis Kelembagaan dan Peranannya Terhadap Pendapatan Peternak di Kelompok Tani Simpay Tampomas Kabupaten Sumedang Propinsi Jawa Barat
Abstrak: A survey study had been carried out in Cimalaka of Sumedang district, West Java. The objectives of the study were to analyze the institutional capacity of the Simpay Tampomas dairy goat farmers group and to understand the group roles increasing farmers income from dairy goat enterprises. The method used in this study included work performance analysis by using Likert scale, income analysis, and Rank Spearman correlation. Intercorrelated variables in this study included farmers income with organizational experience, business experience, and business scale. Seventeen farmers of Simpay Tampomas group were interviewed using questionnaires that has been provided. The results showed that farmer group was effective with the effectiveness value of 390. The Correlation between income with business scale was very strong indicated by the value of correlation coefficient of 0.722, while the correlation between income and organizational experience was -0.151. The results suggested that there was no correlation between farmers income and organizational experiences as well as between income and business experiences. The condition was relatively due to the difficulties of farmers in
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Judul: Analisis Curahan Tenaga Kerja dan Pendapatan Peternak Kambing di Kelompok Peternak Simpay Tampomas Kecamatan Cimalaka Sumedang
Abstrak: Labour one of main production factors. The aims of this study were to analyse the labour effusing, the goat farm incomes in Simpay Tampomas group and to analyse the correlation between labour effusing, farm scale and farm incomes. Primary data was obtained through interviewed of whole farmer that active in Simpay Tampomas group is 17 farmer. Secondary data was obtained from the village goverment and related agencies. This study have descriptive analyzed, farm incomes, ratio R/C, labour effusing and correlation. The labour effusing average of farmer with orientation milk production is 720,993 male work day/year, by using the biggest effusing to look for the grass that equaled to 453,75 male work day/year, or 62,93% from whole activity. The biggest labour effusing done by husband that equaled to 617,538 male work day/year. The labour effusing average of farmer with orientation meat production is 427,179 male work day/year, by using the biggest effusing to look for the grass that equaled to 337,66 male work day/year, or 79% from whole activity. The biggest labour effusing done by husband that equaled to 337,491 male work day/year. Average incomes of farmer with orientation milk production equaled to Rp 50.868.973,4/year. Average incomes of farmer with orientation meat production aqualed to Rp 13.490.416,67/year. The result indicated that correlation between farm incomes with farm scale was significant at the 0,01 level (P<0,01), farm incomes with labour effusing was not significant (p>0,05) and the correlation between farm scale with labour effusing was significant (P<0,01).
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Judul: Pembuatan Film Tipis Lithium Niobat (LiNbO3) Menggunakan Metode Chemical Solution Deposition (CSD) dengan Variasi Kecepatan Putar (Rpm).
Abstrak: Film tipis merupakan salah satu aspek yang mendapat perhatian sangat besar dalam bidang material, karena film tipis merupakan material menarik yang memiliki sifat optik yang sangat tergantung pada konstanta dielektrik, indeks bias, dan energi gap. Lithium Niobat (LiNbO3 ) dapat digunakan sebagai pelapis pada film tipis karena memiliki sifat piezoelektrik, electrooptical, pyroelectrical dan photorefractive yang sangat baik. Film tipis Lithium Niobat (LiNbO3 ) ditumbuhkan menggunakan metode Chemical Solution Deposition (CSD) dengan variasi kecepatan 3500 rpm, 5000 rpm, 6500 rpm, dan 8000 rpm. Metode ini memiliki keunggulan dapat mengontrol stokiometri film tipis dengan kualitas yang baik, prosedur yang mudah dan membutukan biaya yang relatif murah. Energi band gap yang dihasilkan dari film tipis Lithium Niobat (LiNbO3) berkisar antara rentang 2.1 eV – 2.8 eV dengan indeks bias berada pada rentang 2.18-3.2. Film tipis LiNbO3 memiliki parameter kisi a=b=5.54Ǻ dan c = 16.35 Ǻ. Struktur morfologi film tipis adalah permukaan yang homogen dan ukuran kristal berada pada rentang 0.417 μm – 0.680 μm.
Keyword: sifat optik, litium niobat, chemical solution deposition, kecepatan putar