Judul: Analisis pendapatan dan efisiensi teknis usahatani buncis Perancis dengan pendekatan stochastic production frontier
Abstrak: Adanya berbagai kendala, seperti penggunaan input yang belum optimal karena kurangnya pengetahuan merupakan permasalahan yang ada di daerah penelitian, sehubungan dengan itu maka penelitian ini mencoba untuk menjawab masalah-masalah berikut Bagaimana keragaan dan tingkat pendapatan usahatani buncis perancis di lokasi penelitian, faktor-faktor apa saja yang mempengaruhi produksi usahatani buncis perancis dan apakah proses produksi usahatani buncis perancis di daerah penelitian telah dilakukan secara efisien dilihat dari sisi teknis produksinya. Hasil penelitian ini diharapkan dapat berguna bagi petani dan bagi pengambil kebijakan sebagai bahan pertimbangan tentang pengembangan dan penyusunan kebijakan usahatani buncis perancis dan akhirnya menarik minat investor atau pengusaha untuk berpartisipasi dalam meningkatkan ekspor non-migas terutama sayuran. Penelitian ini juga diharapkan memberikan tambahan informasi dan bahan pertimbangan untuk penelitian selanjutnya Penelitian dilakukan di Desa Sutopati, Kecamatan Kajoran, Kabupaten Magelang Kegiatan pengumpulan data dilakukan pada bulan April-Mei 2003 Data yang digunakan dalam penelitian ini adalah data primer, data sekunder dan wawancara serta pengamatan secara langsung. Pengumpulan data dilakukan dengan metode sensus terhadap 31 populasi petani dengan musim tanam yang sama dan menanam buncis perancis secara monokultur
Keyword: technical efficiency, French bean farming, stochastic production frontier approach

Judul: Analisis Risiko Produksi Buncis Perancis di Firma Raja Buncis Desa Tajur Halang Kecamatan Tajur Halang Kabupaten Bogor
Abstrak: French bean is a vegetable comodition that people seek to supply market demand with high quality standard. The objective of this research is to identify the risk sources, the risk probability, the risk impact and handling strategy alternative that can be done to handle the risk production of French bean cultivation in Raja Buncis Firm. Results of risk sources identification are the risk sources of pests, disease and labor skill. The risk source of disease showed the highest point of probability which is 44.8%, as of the use of the z-score method. The biggest risk impact also caused by disease which is Rp. 5.283.132,388, as of the use of value at risk method or VaR. Every risk sources needs attention; most attention are given to the risk source of pests. The alternative of handling strategy for the risk source of pests and labor skill is preventive handling strategy while for the risk source of disease mitigation handling strategy prefrerred
Keyword: Bogor Agricultural University (IPB), z-score, value at risk, production risk, french bean

Judul: Hydroxyapatite-Chitosan Composite Coating on Stainless Steel 316 to Improve Corrosion Resistance
Abstrak: Metals that were used in bone implantation should have good corrosion resistance that were not easily corroded when implanted into the body. Metal corrosion resistance of stainless steel 316 can be enhanced through the metal coating by hydroxyapatite-chitosan composite with composition ratio of hydroxyapatite (gram) and chitosan 3% (mL) 0.2:0, 0.2:0.1, 0.2:0.5, 0.2:1.0, and 0.2:1.5. Besides improving the corrosion resistance of metal, the presence of chitosan also maintain the position of hydroxyapatite on metal surfaces. Corrosion resistance increases with increasing amount of chitosan added and the best composition of hydroxyapatite-chitosan composite was 0.2:1.0.
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