Judul: Pengolahan Tandan Benih Kelapa Sawit (Elaeis Guineensis Jacq.) Menjadi Benih Siap Salur di PT. Bina Sawit Makmur, Sumatera Selatan
Abstrak: The internship has been done at PT. Bina Sawit Makmur , South Sumatera for three months from February 2012 to May 2012. The internship covered activities concerning both technical and managerial aspect such a worker, foreman, and assistant. The purpose of this internship program was to improve technical and managerial skill. Primary data was all information obtained directly from observations in the field. Secondary data were collected from the official report of PT. Bina Sawit Makmur. The data was analyzed using descriptive method. PT. Bina Sawit Makmur was able to produce seeds on average 25,901,563 grains of seed per year. There was no difference in the percentage of white-shelled seed formation harvest bunches of 130-134, 135-139, 140 - 144, 145 to 149, and 150-154 days after pollination, the average percentage of white seed 7.48, 7.12, 7.18, 5.54, and 5.51%. The highest percentage of white seeds are harvested at age <130 days after pollination is 22.01%. White-shelled seed allegedly was not caused by genetic factors but is mainly harvested bunches are still not old enough. The weight of the bunches and seed production reaches its maximum at the age of 145-149 day after pollination. The weight of bunches affects the production of normal seeds. Germination produced by PT. BSM average of 75.79%.
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Judul: Pengelolaan Panen Kelapa Sawit (Elaeis guineensis Jacq.) untuk Mendapatkan Produktivitas Tinggi di Kebun Bangun Bandar, PT. Socfindo
Abstrak: This internship activity took place in Bangun Bandar Estate, Serdang Bedagai, North Sumatra from February 2012 to May 2012. The objective of this internship was to learn the techniques of palm oil cultivation especially the harvesting system at Bangun Bandar Estate. The collected data were primary data and secondary data. Palm oil cultivation in this plantation has been running well. The main problem in the plantation is the harvest rotation be come longer from 7 days until 9 days. This occurs as a result of employee absences, holidays and days of rain in general, the fruits quality in BBE plantation is good with an average fruit maturity reaching 99.7 % and the harvest area quality 1.31 %. Based on statistical analysis, harvesting capacity of fruit cutting employer is between 269.5 ± 59.78 fruits/employee.
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Judul: Penggunaan Teorema Homeomorphy 2-Manifold dan Teorema Euler Poincare pada Torus 𝑇�� dan Simplicial Complex 𝐾��
Abstrak: Two dimensional topological spaces are said to be homeomorphic if they have the same topological invariant, where one of topological invariant used is an Euler characteristic. Homeomorphy 2-Manifold’s Theorem and Euler Poincare’s Theorem are used to distinguish two topological spaces. Homeomorphy 2-Manifold’s Theorem uses Euler characteristic to identify two dimensional topological spaces. Euler Poincare’s Theorem is an alternative way to find Euler characteristic with Betti number, which is topological invariant as well. The objective of this paper is to investigate the homeomorphism of torus 𝑇����� and simplicial complex 𝐾�����. Topological space torus and simplicial complex 𝐾����� have the same Euler characteristic, which is two. Based on Homeomorphy 2-Manifold’s Theorem topological space torus 𝑇����� and simplicial complex 𝐾����� is homeomorphic.
Keyword: simplicial, torus, Euler, homeomorphism, topology