Judul: Produksi dan Pendapatan Usahatani Padi Petani Anggota dan Non Anggota Kelompok Tani di Desa Kopo Kecamatan Cisarua Kabupaten Bogor
Abstrak: Rice is one of the leading food crops in the Kopo village. The production rate of rice in Kopo village is various. One of the causes of this diversity is the difference in group membership. This leads to the difference in the farmer income level of rice farming in Kopo village. In order to find out the difference in the level of production and income caused by the difference in the group membership, it is important to do this research. The aims of this research were to : (1) analyze the factors affecting rice production of member and non-member of farmer group in Kopo village and (2) compare the income level of member and non-member of farmer group in Kopo village. The technique of data collection was purposive sampling method by using questionnaire as a tool to interview a total of 77 samples. The method of data processing was done by using Cobb Douglas’ production function analysis and income analysis. The result showed that the factors of seed production, manure, female labor within the family, female labor outside the family and farmer group membership were significantly influenced the rice production. The result of income analysis showed that based on the membership of farmer group, the farmers that belonged to the membership had greater income than those not belong to the membership with the R/C ratio over the total cost of 2.15. Farming income based on the land ownership status showed that farmers who rented the land had higher income level than those who owned the land with the value of R/C ratio at the total expense of 2.22. Based on the membership status of farmer group and land ownership, the income level of farmer group members who rented the land was higher than that with other characteristics. To increase the level of production and income, it could be suggested that the farmers could use the factors that influence the production significantly and join the farmer group membership.
Keyword: farmer group membership, income analysis, production analysis, farming, rice

Judul: Analisis pendapatan petani Padi sawah di Desa Ciasihan Kecamatan Pamijahan Kabupaten Bogor
Abstrak: Rice production in Indonesia is getting decreased due to the presence of land conversion to non-agricultural sector. One area of West Java that having decline of crop land area is Bogor District. Production decrease of 7.54% from 2010 is caused by the reduced of crop land area that reaches 6 183 ha from 2010 to 2011. Increasing rice productivity isn’t always able to increase the amount of milled rice production if it is followed by a decrease in crop land area. The objectives of this research are to identify performance of rice farmers and analyze the income of rice farming in the Ciasihan Village. The research results indicate that rice farming is still viable seen from the amount of income, is Rp 5.545.169/season. The value of the ratio R / C of rice farming in the ciasihan village is 1.33. Therefore, to increase the income of farmers, the government can provide training and counseling, supporting equipment,and facilities for meetings.
Keyword: Bogor Agricultural University (IPB), Rice, R/C ratio, Cost, Revenue

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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