Judul: Pertumbuhan Vegetatif dan Reproduktif Tanaman Padi dan Jagung pada Berbagai Dosis dan Waktu Aplikasi Pupuk Hayati
Abstrak: The objectives of this research was to find the best dosages and application time of biofertillizer in improving rice (Oryza sativa) and maize (Zea mays) growth and production. This research consisted of two experiments, i.e. dosages and application time experiment. Each experiment was carried out in the green house by Completely Randomize Design with three replications. The dosages experiment consisted of 4 treatments, P0 without biofertillizer, P1-P3 with biofertillizer of 50 g, 100 g, and 150 g per polybag. All the media were prepared using a mixed soil and compost ((5:1) v/v) and anorganic fertillizer of NPK (15:15:15) 8,75 g per polybag. Application time experiment consisted of 3 treatments, H0: 0 day after planting, H1: 4 days after planting, and H2: 14 days after planting. The biofertillizer with the dosages of 150 g per polybag showed the best result indicated by growth and yield parameters. The best time of application was 14 days after planting which indicated by the higher growth parameters and seed yield of rice and maize.
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Judul: Budidaya Padi Organik dengan Berbagai Waktu Aplikasi Pupuk Kandang dan Pemberian Pupuk Hayati
Abstrak: The experiment was conducted at Cikarawang, Dramaga, Bogor from November 2012 to March 2013. This study aims to determine the most appropriate time in manure application and the effect of bio-fertilizer. This experiment used the split plot experimental design with two factors and 4 replications. The first factor was time of chicken manure application with 4 treatments i.e. application of 10 ton chicken manure / ha applied 2 weeks before planting, 10 ton/ha applied 4 weeks after planting, 10 ton/ha applied 6 weeks after planting, 5 ton/ha applied 2 weeks before planting and 5 ton/ha 4 weeks after planting. The second factor was the application of bio-fertilizer (with and without bio-fertilizer). There were 32 experimental units. The highest rice yield (5.04 ton dry grains/ha) was found from the application of 5 ton chicken manure / ha 2 weeks before planting and 5 ton/ha 4 weeks after planting with additional of bio-fertilizer.
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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