Judul: Hubungan Gaya Kepemimpinan Terhadap Efektivitas Kelompok (Kasus: Kelompok Tani Mekarsari, Desa Purwasari, Kecamatan Dramaga, Kabupaten Bogor)
Abstrak: Revitalization of Agriculture, Fisheries and Forestry (RPPK) launched by President on June 11, 2005 is as one of the Triple Track Strategy of the United Indonesia Cabinet in order to reduce poverty and unemployment and improving national economic competitiveness and preserving the resources of agriculture, fisheries , and forestry. Effective farmer groups to support the achievement of one of the Revitalization of Agriculture, Fisheries and Forestry. Appropriate leadership style in carrying out group activities support the achievement of the effectiveness of farmer groups. The purpose of this study is to describe the chairman's leadership style, identifying the factors that drive leadership style chair, analyzing the effectiveness of the group, and analyze the relationship with the chairman's leadership style effectiveness Mekarsari Farmers Group, Village Purwasari, Dramaga Subdistrict, Bogor Regency. The research was conducted in farmer groups located in the Village Mekarsari Purwasari, Dramaga district, Bogor regency. From this research can be seen that there is a relationship between individual factors with the leader's leadership style. It is also known there is a relationship between factor group with the leadership style of the group leader. In this study also can be seen that there is a relationship between leadership style group heads to the achievement of the group effectiveness.
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Judul: Analisis Hubungan Gaya Kepemimpinan dengan Kinerja Kelompok Tani (Studi Kasus : Kelompok Tani Ternak Karya Sejahtera, Desa Karyawangi, Kecamatan Parongpong, Kabupaten Bandung Barat)
Abstrak: Revitalization of Agriculture, Fisheries and Forestry (RPPK) is one of the Triple Track Strategy of the government in order to reduce poverty and unemployment and improving the competitiveness of the national economy and preserve agricultural resources, fisheries and forestry. Development of farmer groups become an important part of the application by directing the agribusiness system, an increase in the role of leadership, the participation of farmers and other rural community members. This research was conducted to analyze the leadership style, the factors which drive leadership style, performance farmer groups, and the relationship with the leadership style of performance Karya Sejahtera farmer groups, in Karyawangi Village, Parongpong Subdistrict, West Bandung. The method used in this study is the Non-Probability Sampling, descriptive statistical analysis, and the Spearman rank correlation test. The results of this study indicate that the leadership style adopted by the laeder of Karya Sejahtera farmer group is a participative leadership style. Based on the descriptive statistical analysis of Karya Sejahtera farmer groups had an average score of moderate (3.45). Based on rank spearman test there are any relation betwen leaddership style of the group leader and Karya Sejahtera farmer group.
Keyword: performance, farmer group, leadership

Judul: Photosensor producing based on ferroelectric material of Ba0,5Sr0,5TiO3 doped by Ferrium Oxide (Fe2O3) on a P-Type Silicon Substate Si (100) applied as a digital camera with a single pixel image sensor
Abstrak: Thin film Ba0,5Sr0,5TiO3 (BST) doped with Fe2O3 was grown on p-type silicon substrate (100) using chemical solution deposition (CSD). It used the solvent 2-methoxyethanol with annealing temperature of 850°C and the doping treatment Fe2O3 of 2.5, 5, 7.5, 10 % of the mass formed BST. Pure BST had the highest absorption of 600 nm of light wavelength. Additions Fe2O3 moves highest absorption in the range of 560 nm. Fe2O3 addition was strengthening thin film sensitivity to the effects of light. In general, doping Fe2O3 10% was result the best absorbance and current-voltage of BST thin film. Electrical properties of thin films BST include dielectric, photoconductivity, and dissipation energy. Based on the current-voltage (I-V) analysis, pure BST and doped BST showed photodiode properties. Dielectric values obtained in the range from 23.32 to 243. Based on electrical conductivity data and energy dissipation, BST thin films have shown photodiode characteristics and are therefore suitable as light sensors. The image sensor in a digital camera is also a light sensor. This BST thin film has been scientifically proven to be a light sensor and also it can be applied as an image sensor. This is a novelty image sensor based on thin film Ba0.5Sr0.5TiO3.
Keyword: barium strontium titanate, thin film, photodiode, image sensor, digital camera