Judul: Sistem Pemasaran dan Nilai Tambah Kedelai (Glycine Max (L) Merill) di Desa Sukasirna Kecamatan Sukaluyu Kabupaten Cianjur
Abstrak: Soy is a source of vegetable protein which has relatively lower price compared to other source from animal protein. The marketing of young soybean pods make the availability of old soybean pods decrease in the market. The objective of this research is to analyze functions of marketing, the agency, marketing channel, market structure and market behavior; to analyze marketing margin, farmer’s share, and the ratio of benefits to costs; to calculate value added of tofu, tempe, and tauco. Analysis method for value added was conducted with Hayami method. Collecting data was conducted with purposive sampling method. This study shown that there are three marketing channels for old soybean pods and four marketing channels for young soybean pods. The marketing system institutions perform functions of marketing and face the different market structures. The result showed that the third channel was relatively efficient to distribute old soybean pods. The channel which is relatively efficient in the marketing of young soybean pods was channel two. The results of value added showed that tauco has the largest value added ratio than tofu and tempe.
Keyword: Bogor Agricultural University (IPB), value added, soybean, marketing margin, marketing channel

Judul: Sistem Pemasaran dan Nilai Tambah Produk Olahan Ubi Jalar (Ipomoea batatas, L.) di Desa Cikarawang dan Desa Petir, Kecamatan Dramaga, Kabupaten Bogor
Abstrak: Sweet potato is a source of carbohydrat and protein, relatively inexpensive for consumption. The farmers had high dependency to the middleman, the lack of market access and price information in farmer’s level lead the bargaining position of the farmers low, and the activity of sweet potatoes processing. Therefore, the research is conducted to determine the marketing systems and value-added of processed sweet potato product. The objective of this research is to analyze the agency and functions of marketing, marketing channel, market structure and market behavior; to analyze marketing margin, farmer’s share, and the ratio of benefits to costs; to calculate value-added of dumpling, flour, and cracker. Data collection was held by observation and interviews to the farmers and entrepreneurs of processed sweet potato products in the Cikarawang village and Petir village by purposive sampling method, whereas for the marketing agency data collection was held by following the flow of information from the previous marketing agency and purposive sampling. The results are shown that the third channel was relatively efficient to distribute grade A and B sweet potato, while the first channel was relatively efficient to distribute grade C sweet potato. The results of value added analysis of processed sweet potato products have shown that the value added ratio and profit level of dumpling was the highest than other processed sweet potato products.
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Judul: Pengaruh Infeksi Haemoproteus columbae (Kruse, 1890) Pada Burung Merpati Dan Cara Penanggulangannya
Abstrak: Haemoproteus columbae merupakan paras it yang menyerang sel-sel darah merah burung rnerpati. Siklus hidupnya kompleks dan dapat dibagi menjadi dua yaitu siklus hidup asexual terjadi delam tubuh burung merpati dan siklus hidup sexual terjadi dalam tubuh lalat dari famili Hippoboscidae sebagai vektor. Stadium yang nampak dalam peredaran darah perifer hanyalah garoetosit yang dapat dibedakan menjadi dua yaitu gametosit jantan (mikrogametosit) dan gametosit betina (makrogametosit).
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