Judul: Pengembangan Sistem Monitoring dan Evaluasi Proyek Agroindustri Jambu Mete
Abstrak: Problems found in monitoring and evaluation system of cashew agroindustry project are: (1) the need of farmer was not integrated in the monitoring and evaluation system activity, (2) the assesment indicators were not specific, i.e. top down and equal with the other project in the Department of Agriculture, (3) there is not convergent communication between the level of managers. All of the problems lead to poor performance of monitoring and evaluation system of cashew agroindustry project. The objective of this research is to improve the monitoring and evaluation system in the Department of Agriculture through: (1) the identification of evaluation and monitoring system development of the cashew agro industry project, and (2) the design of the evaluation and monitoring system of the cashew agroindustry project. This research was done at East Sumba Regency, East Nusa Tenggara Province from January to December 2005. Data analysis was done at the Laboratory of Computer, Faculty of Agriculture Technology, IPB. Data were obtained by implementing questionaires and in-depth interview method to the relevan actors of system. Furthermore, data were analyzed by Internal Factors Evaluation (IFE), External Factors Evaluation (EFE), SWOT analysis and Analytical Hierarchy Process (AHP). The results of this research show that the evaluation and monitoring system development requires exact indicators of assessment, availability of technology, and tangible evaluation and monitoring team. Furthermore, to reach the activity of monitoring and evaluation, a convergent communication between the actor of monitoring and evaluation system and the farmer is required.
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Judul: Karakterisasi Sifat Fisik Lahan untuk Pembangunan Kriteria Kesesuaian Biofisik Lahan untuk Jambu Mete (Anacardium occidentale L.)
Abstrak: Cashew is one of the prospective comodities. The agribusiness of it contributes to absorb labors, rehabilitate critical land and increase total export of agriculture commodities. However, there are many problems in developing this commodity. The main problem is its low productivity. One of the reasons is the use of unsuitable land for their growth. The available land suitability criteria for this comodity is still common criteria that based on data compilation and emphirical experiences. The objectives of the research were to reveal the most important land characteristic determining cashew growth and productivity, to build interaction model between biophysical charactheristic and productivity, and to propose the new land suitability criteria for cashew based on their productivity. The data of biophysical characteristics and productivity parameters were collected from four provinces and eleven districts. Boundary line method was used to develop the correlation model between cashew productivity and biophysical parameters. The equation models correlating biophysical charactheristic and productivity were developed using multivariate analyses. The results showed that there were six index factors affecting cashew growth and productivity significantly. They were built by elevent important land characteristics. The index factors consisted of soil particles, organic matter, water availability, terrain condition, soil alkalinity and nutrient retention. Based on their productivity values, the new land suitability criteria was developed. It was developed from 6 land qualities and 15 land characteristics. According to the productivity, the limit of cashew product between highly suitable (S1) and moderately suitable (S2) was 72,19 kg tree-1 year-1, the limit between S2 and marginally suitable (S3) was 54,15 kg tree-1 year-1, and the limit between S3 and not suitable (N) was 21,30 kg tree-1 year-1. The validity test of the new criteria showed that 80% of land evaluation results had close corelation with the expected productivity.
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Judul: Transisi Fasa Materi Hadronik ke Materi Kuark pada Inti Bintang Neutron.
Abstrak: Bintang neutron terdiri dari beberapa lapisan yang disusun oleh materi nuklir yang berbeda dengan kerapatan yang semakin tinggi ketika mendekati pusat bintang. Inti luar bintang neutron disusun oleh materi hadronik (nukleon, lepton, dan hyperon), sedangkan inti dalam bintang neutron disusun oleh kuark-kuark bebas (up, down, strange) yang saling berinteraksi. Tujuan penelitian ini adalah mempelajari bagaimana transisi dari inti luar ke inti dalam bintang neutron dengan menggunakan pendekatan RMF (Relativistic Mean Field) untuk materi hadronik dan CIDDM (Confined Isospin Density Dependent Mass) untuk materi kuark. Tekanan transisi diperoleh ketika potensial kimia barion materi hadronik dan materi kuark bernilai sama. Nilai tekanan transisi dengan parameter SU6-TM1 sekitar 87 MeV/fm3 dan diperoleh massa maksimum bintang neutron yaitu 1.92M dengan jari-jari sekitar 8.62 km. Nilai tekanan transisi dengan parameter SU6-G2 sekitar 53 MeV/fm3 dan massa maksimum bintang neutron yaitu 1.88M dengan jari-jari sekitar 8.16 km. Jenis transisi fasa adalah orde satu ditandai dengan diskontinuitas dalam kerapatan energi (adanya mixed phase). Parameter-parameter pada model nuklir yang digunakan menyebabkan perbedaan kekakuan persamaan keadaan (EOS) dari materi hadronik dan materi kuark sehingga nilai tekanan transisi dari fasa hadronik ke fasa kuark juga berbeda.
Keyword: bintang neutron, persamaan keadaan, transisi fasa