Judul: Adopsi program system of rice intensification teknik satu bibit per rumpun
Abstrak: One seedling per clump technique is one of the innovations to increase rice productivity which is environmentally friendly. The purpose of this study is to explore individual factors and innovation attributes relating to the innovation adoption decision of farmers to one seedling per clump technique on Purwasari village, Bogor District. Respondents were drawn at random by MS. Excel with the number 30. The results showed generally old aged farmers, rural landless, primary school graduates, had attended counseling, have organic and conventional farming experience, have interpersonal communication and behavioral characteristics not related to farmer adoption decisions one seedling per clump technique. The nature of innovation in the form of relative advantage, compatibility, complexity, trialability, and observability techniques associated with the adoption of one seedling per clump technique.
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Judul: Tingkat Persepsi dan Adopsi Petani Padi terhadap Penerapan System of Rice Intensification (SRI) di Desa Simarasok, Sumatera Barat
Abstrak: System of Rice Intensification or SRI is one of the methods in rice cultivation techniques. SRI is a rice cultivation practice that gives more attention to the conditions of better plant growth, especially in the root zone compared to traditional cultivation techniques. The aims of this study are to identify the perception and adoption level of farmers’ adoption in implementing SRI method and to analyze the factors that influence the adoption of SRI method. A questionnaire survey was conducted at Simarasok Village, Baso Sub-district, Agam District, West Sumatera to 35 farmers by purposive sampling. The data were processed by using logistic regression. The results showed that 57.1 percent of respondents had a good perception of the adoption of SRI while the remaining 42.9 percent had a bad perception. Meanwhile, the adoption rate of farmers was 51.4 percent of respondents have implemented the method in accordance with the guidelines of SRI and the remaining 48.6 percent have not yet. Logistic regression analysis showed that there were three variables that significantly affect the rate of SRI adoption which are farming experience, age and level of perception.
Keyword: Bogor Agricultural University (IPB), purposive sampling, rice cultivation, logistic regression analysis

Judul: Karakteristik Anatomi Skelet Kepala Buaya senyulong (Tomistoma schlegelii).
Abstrak: Buaya sepit atau senyulong (Tomistoma schlegelii) merupakan jenis buaya asli Indonesia yang berhabitat di sungai-sungai Sumatera, Kalimantan, dan juga pedalaman Sulawesi. Salah satu ciri khas buaya senyulong adalah bentuk moncong yang runcing dan sempit, namun hingga saat ini informasi mengenai struktur skelet kepala buaya senyulong sangat terbatas. Penelitian ini bertujuan untuk mempelajari karakteristik anatomi skelet kepala buaya senyulong yang dikatikan dengan fungsi dan perilakunya. Penelitian dilakukan secara eksploratif dengan melakukan pengamatan, pencatatan, dan pengambilan gambar dari skelet kepala buaya senyulong. Skelet kepala berukuran panjang 70 cm, lebar 29 cm, dan tingggi 17 cm dengan permukaan kasar pada os nasale, os frontale, os maxilla, os mandibula, os lacrimale, os jugale. Jumlah gigi pada buaya ini sebanyak 78 buah, terdiri dari 4 buah gigi premaxila, 16 buah gigi maxila, dan 19 buah gigi mandibula. Pada regio orbitalis ditemukan dua pasang fenestrae temporales yang berkembang baik. Fenestra supratemporale merupakan lubang oval yang membentang di sepanjang os parietale. Fenestra infratemporale berbentuk segitiga dan dibatasi oleh os squamosum, os postorbitale, os jugulare, dan os quadratum. Os mandibula hewan ini mempunyai symphysis mandibularis yang panjang yaitu garis yang melintang di corpus mandibulae. Secara fungsional ukuran symphysis mandibularis berkaitan dengan adaptasi hewan terhadap diet makan.
Keyword: kepala, moncong, Tomistoma schlegelii