Judul: Tingkat Partisipasi dan Keberdayaan Petani Alumni Program SL-PTT di Desa Gegesik Wetan Kabupaten Cirebon
Abstrak: SL-PTT is a program of agricultural development has implemented a model of empowerment farmers by improving the quality and capacity of farmers through the acceleration of the implementation ICM technologies. This research aims to analyze the level of participation of farmers and the factors related to the level of participation and empowerment farmers who have followed SL-PTT. The research method used is a quantitative analysis with survay method and supported by the qualitative analysis method. The results showed the level of participation farmers graduated SL-PTT included high category on each stage of the program. The level of participation have correlation with the cosmopolitan of farmers, intensity of communication, the intensity following extension and the availability of agricultural information. The level of farmers empowerment have correlated with their participation and included high categories based on indicators of the ability of farmers to access information, implement ICM technology and make decisions.
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Judul: Tingkat Partisipasi dan Kemandirian Petani Alumni Sekolah Lapangan Pengelolaan Tanaman Terpadu (Kasus Desa Kebon Pedes, Kecamatan Kebon Pedes, Kabupaten Sukabumi, Provinsi Jawa Barat)
Abstrak: Agriculture development approach carried out centrally and top down. Failure in reaching development agriculture efforts, made the expert at that time said it was very important to change paradigm of agriculture development to sustainable bottom up approach. Field School (SL-PTT) is as a part of agriculture extension activities, is pointed to empower the farmers, it is one of the way to reach development agriculture point, so it has been more interesting to learn as far. The aim of the present research was to analyse correlation farmer empowerment model of SL-PTT with level of participation and autonomy. This research used quantitative method and was supported with qualitative data. The quantitative data were collected by using survey method on 42 farmers participant of SL-PTT. The respondents were selected by applying a stratified random sampling method. In other hand, the qualitative data were collected with in-dept interview. The results show that activity of SL-PTT had a significant correlation with level participation and autonomy farmers. Most farmers were in middle participation level and autonomy.
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Judul: Hamiltonian formulation for linear waves motion in two layers fluid
Abstrak: The surface wave could be considered as a wave that separates two fluids, namely water and air. Based on this assumption, it is introduced the interfacial wave, a wave between two layers of fluid with different density. The formulation of interfacial waves motion begins with deriving the base equation of irrotational ideal fluid. Furthermore, according to irrotational fluid assumption, the base equation can be stated in velocity potential. In this derivation, the fluids domain is assumed to be restricted by rigid lid boundary conditions, both at the upper and lower limit. Therefore, the interfacial waves motion can be explained in a hamiltonian formulation. In the hamiltonian formulation, total energy is defined as the sum of kinetic and potential energy. The hamiltonian system is obtained from reduction of kinetic energy by using the Dirichlet Neumann Operator. The resulted kinetic energy equation is nonlinear. Therefore, this form is linearized by first part of the Taylor expansion. This linearization gives a dispersion relation of linear wave. Based on this dispersion relation, the phase speed of the linear wave depends on the density ratio of the two layers fluid.
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