Judul: Manajemen Pemupukan Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) di Pelantaran Agro Estate, PT. Windu Nabatindo Lestari, Bumitama Gunajaya Agro Grup, Kotawaringin Timur, Kalimantan Tengah
Abstrak: Secara umum manajemen kebun di PAGE telah dilaksanakan dengan benar sesuai dengan standar operasional prosedur (SOP). PAGE telah menerapkan program BMS (Blok Manuring System), BSS (Blok Spraying System), dan BHS (Blok Harvesting System) dalam teknik budidaya kelapa sawit. Produksi TBS di PAGE mengalami peningkatan setiap tahun dan rata-rata produktivitasnya tidak jauh berbeda dengan standar produktivitas pada kelas lahan S3. Manajemen pemupukan di Pelantaran Agro Estate (PAGE) secara umum telah dilaksanakan sesuai dengan standar pemupukan yang benar. Pihak kebun telah memperhatikan ketentuan dan rekomendasi pemupukan yang telah dianjurkan serta telah mengacu pada prinsip 4 T (tepat waktu, tepat jenis, tepat dosis, dan tepat cara) dalam hal mencapai keefektifan dan efisiensi pemupukan. Namun dalam penggunaan tenaga kerja belum efisien yang tentunya berdampak pada efisiensi waktu dan biaya. Realisasi pemupukan belum sepenuhnya dilaksanakan sesuai dengan rekomendasi. Kendala dalam pelaksanaan pemupukan masih ditemukan pada kondisi areal yang berawa dan bergelombang.
Keyword: Fertilization management, operating procedures (SOP), BMS (Manuring Block System), BSS (Block Spraying System), BHS (Block Harvesting System)

Judul: Manajemen Pemupukan Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) di Pelantaran Agro Estate, PT. Windu Nabatindo Lestari, Bumitama Gunajaya Agro Grup, Kotawaringin Timur, Kalimantan Tengah
Abstrak: The apprenticeship in general aim to gain experience and skills of the author's work in the management of oil palm gardens both technical and managerial, as well as to study and improve the knowledge of the cultivation of oil palm plantations. Specific purpose studying and understanding the fertilizing management of plant oil palm. The internship is carried out in Pelantaran Agro Estate, Kotawaringin Timur, Central Kalimantan, for four months starting February 14 until June 14, 2011. The internship is carried out using the methods directly, namely by working directly on the field as a daily companion employee, a companion foreman, and escort the assistant division. Specific observation was done by taking the primary and secondary data is then analyzed, either descriptive analysis and quantitative analysis. Pelantaran Agro Estate (PAGE) is located in the village Pelantaran, district Cempaga, county Kotawaringin Timur, province of Central Kalimantan. The broad area that organised of the PAGE is 2 698 hectares. Geographical layout of the PAGE at coordinates between 112,95-113.01 0BT and 2.02-2.11 0LS. The average rainfall is 3 100 mm per year and average rainy days is 112 days per year. Fresh fruit bunch (TBS) production in 2009 is the 18 855 tonnes and increased production in 2010 of 26 952 tonnes with a total area of garden 2 698 hectares. The average productivity of TBS started TM (1-4) sequentially is 4.14, 13.13, 8.31 and 17.10 tons/ha/year. In general the management of the gardens on the PAGE have been implemented correctly in accordance with standard operating procedures (SOP). PAGE had implemented a programme of BMS (Manuring Block System), BSS (Block Spraying System), and BHS (Block Harvesting System) in oil palm cultivation techniques. The fresh fruit bunch on the PAGE have increased every year and the average productivity is not much different than standard productivity on land class S3. Fertilization management in Pelantaran Agro Estate (PAGE) has generally been implemented in accordance with the standards of the fertilizing. The garden has been paying attention to the provisions and recommendations that have been recommended fertilizing and has been referred to the principle of 4 T (right time, right type, right dose, and right methods) in terms of achieving the effectiveness and efficiency of fertilization. However, in the use of labor yet efficient which certainly have an impact on the efficiency of the time and cost. Realization of fertilization has not been fully implemented in accordance with the recommendation. Constraints in the implementation of the fertilizing still found in the marshy and corrugated area.
Keyword: 

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