Judul: Permodelan Pertumbuhan dan Produksi Kelapa Sawit Pada Berbagai Taraf dan Periode Penunasan Pelepah
Abstrak: The number of leaf frond influence oil palm yield, especially fresh fruit bunch weight and production. The objective of this research was to obtain oil palm growth and production model for different levels and periods of frond pruning. The experiment was conducted at PT. Astra Agro Lestari, Pangkalan Bun, Central Kalimantan, from August 2011 to February 2012. The experiment was arranged in randomized block design with two factors and three replications. The first factor was numbers of unpruned frond and the second factors was pruning periods. The frond treatments consisted of 41-48, 49–56, and 57–64 fronds. The periods of pruning treatment consisted of first period (early to mid rainy season):September– December, second period (mid to end of rainy season):Januari–April, and third period (dry season):May–August. Model has been able to predict 75% variable for production and fresh fruit bunch weight for different levels and periods of pruning.
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Judul: Penerapan Teknik Konservasi Tanah dan Air Dalam Meningkatkan Produksi Kelapa Sawit.
Abstrak: Indonesia region like Lampung is less suitable for oil palm plantation, because of long dry season and low rainfall. One of the effort to solve the drought is application of soil and water conservation technique such a ridge terrace and silt pit. This research was aimed to study effectiveness of ridge terrace and silt pit treatment which were accomplished with “biopori” and vertical mulches on soil moisture content as well as growth and production of oil palm plantation; to study the correlation of soil moisture content and growth and production of oil palm. The research was conducted in Afdeling III, Rejosari Management Unit PT Perkebunan Nusantara VII, South Lampung. The area of research consisted of 3 blocks namely block 1 (375) with ridge terraces treatment, block 2 (415) with no treatment, and block 3 (414) with silt pits treatment. The research results show that application of conservation techniques were able to increase monthly of average soil moisture content where in the figure in block 1, block 3, and block 2 are 48.32%, 45.21%, and 43.64%, respectively. The appearance of frond fracture of the three blocks is not significantly different. The production of oil palm in block 1 (ridge terraces) and block 3 (silt pits) are higher than block 2 (control). The production of block 1, 2, and 3 are 25 343.18, 22 677.38, and 24 251.97 kg/ha/year, respectively. Correlation value of soil moisture content towards oil palm production are very low. The correlation of block 1 is 0.175, block 2 is 0.100, and block 3 is 0.059. Correlation value of number ripe fresh fruit bunches and female infloresence nine months before on block 1, 2, and 3 are 0.628, 0.230, and 0.539, respectively.
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Judul: Infeksi cacing Ascarid pasa anjing dan kucing, serta hubungannya sebagai zoonosis
Abstrak: Ada tiga cacing Ascarid yang didapatkan pada anjing dan kucing, yaitu Toxocara canis pada anjing, Toxocara cati pada kucing dan Toxascaris leonina pada anjing dan kucing. Ketiganya mempunyai habitat di usus kecil (Soulsby, 1982). Manusia dapat bertindak sebagai induk semang paratenik dari kelompok ini, melalui anjing dan kucing yang menderita sebagai sumber infeksi, terutama anak- anak anjing dan anak-anak kucing (Brown, 1975). Dari kelompok Ascarid ini penyebab utama penyakit pada manusia adalah Toxocara canis (Soulsby, 1982). Penyakit pada manusia yang disebabkan oleh kelompok ini dikenal sebagai penyakit 'Visceral Larva Migrans' (Brown, 1975), Toxocariasis (Beaver, 1966). Penularan pada anjing dan kucing, dapat melalui telur infektif (langsung), induk semang paratenik seperti tikus, kecos, cacing Lanah dan lain-lain (tidak langsung), intrauterin, trans-mammary dan secara fecaloral. Pada manusia, penularan terjadi melalui telur infektif yang tertelan. Gejala klinis yang tampak pada anjing dan kucing yang terinfeksi oleh kelompok ini, adalah anjing kurus, pertumbuhan terhambat, gelisah, batuk, respirasi meningkat, keluar cairan dari hidung, muntah yang kadang kadang bercampur dengan cacing, icterus, diare, sakit pada abdomen, perut buncit dan kadang-kadang timbul gejala konvulsi (Kelly, 1977). Pada manusia tanda klinis yang umum terlihat, yaitu batuk, dispnoe disertai demam dan gejala umum lainnya. Kadang-kadang endopthalmitis, retinitis perifer, papilitis, dan konvulsi. Pemeriksaan darah terlihat eosinofilia, leukositosis, hiperglobulinemia dan pemerik saan yang lain memperlihatkan hepatomegali…dst
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