Judul: The Study on Seed supply system of certified seed in South Sulawesi
Abstrak: The objectives of this study are to : (1) obtain characteristics information of soybean farmer and breeders in South Sulawesi, (2) collect demand and supply information of qualified seeds in South Sulawesi as well as current seed supply systems, and (3) identify alternative supply system improvements for qualified seeds through Jabalsim. The research method is survey in four regencies in South Sulawesi, namely Takalar, Bone, Soppeng, and Wajo. Each regency consisted of five districts and each district consists of 10 respondents. Thus, the number of respondent for each district is 50 persons or totally 200 persons for the four regencies. The data consisted of primary and secondary data, and analyzed descriptively and SWOT analysis. The results of the research show that farmer/ seed breeder in the study site is still in productive age, having at least elementary education level, experienced in farming and soybean seed breeding and sufficiently farm size. Supply for Soybean seed has been fulfilled, namely 1198.60 tons. The production realization/availability of soybean seed was 1479.02 tones. Currently, seed supply system is formal and informal (Jabalsim). Policy implication from the proposed strategy are: (1) perform certification on seed obtained from seed supply system in Jabalsim until farm certification, in turn farmers can use qualified seeds on time, and (2) The next certification process at laboratory level remains implemented to meet legal aspects in the form of labeling, so that the result is certified seed.
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Judul: Kajian teknologi produksi benih kedelai pada berbagai agroekologi lahan di Provinsi Jambi
Abstrak: The national soybean production tend to decline in the last decade. This problem requires attention and research to find some solutions. The aim of this research is to Study the characteristic of seed grower of soybean farmers in the three agro-ecological land; Learning the technology that used by the seed grower of soybean farmers in different agro-ecological; Studying the analysis of farming technology that used and the costs incurred; and Studying the relationship between the technology and financial analysis in several agro-ecological land. This research was conducted from October 2010 through January 2011 in East Tanjung Jabung (Swamp Land), West Tanjung Jabung (Wetland irrigation) and Tebo Regency (Dryland). The method used in this research is secondary data collection on soybean seed production technology, that is the recommendation of Legume and Tuber Crops Research Institute. Furthermore, the survey method to collect primary data that obtained through interviews with seed grower directly. Purposive sampling method by seed grower as respondents, were taken of ten seed grower at each region. The results showed that age characteristics of seed grower more productive, low education levels and experience became a certified seed grower is still under four years; the implementation percentage of seed production technology in three different agroecology in the application of technology; financial analysis in three agro-ecological land is valuable as a profitable farm seed production; and there is a strong relationship between the using of seed production technology and the revenue.
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Judul: Closed Knight’s Tour pada Papan Catur Berbentuk Persegi Panjang dengan Ukuran Maksimal 8 × 8
Abstrak: Closed Knight’s Tour merupakan langkah kuda yang mengunjungi setiap kotak pada papan catur tepat satu kali dengan langkah kuda berawal dan berakhir pada kotak yang sama. Graf yang terbentuk dari closed knight’s tour dinotasikan sebagai graf G(m,n), dengan m adalah banyaknya baris dan n adalah banyaknya kolom. Graf tersebut memuat Hamiltonian cycle. Sebuah graf terhubung G adalah graf bipartite jika dan hanya jika graf tersebut tidak memiliki cycle dengan panjang ganjil. Papan catur yang memenuhi syarat cukup untuk memiliki closed knight’s tour adalah papan catur berukuran 5 × 6, 5 × 8, 6 × 6, 6 × 7, 6 × 8, 7 × 8, dan 8 × 8.
Keyword: bipartite, closed knight’s tour, hamiltonian cycle, knight’s tour, teori graf