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Lukas Sebayang
Balai Pengkajian Teknologi Pertanian Sumatera Utara
Agriculture, Biological Sciences & Forestry

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ASSESSMENT OF COMMODITIES AREA GAMBIER (Uncaria gambir Roxb.) IN PAKPAK BHARAT SCALE 1 : 50.000 Lukas Sebayang
Jurnal Pertanian Tropik Vol. 2 No. 2 (2015): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (293.078 KB) | DOI: 10.32734/jpt.v2i2.2890

Abstract

Gambier (Uncaria gambier Roxb.) is a cultivated plant regeneration in Pakpak Bharat. Gambir extract benefits as well as the pharmaceutical industry and traditional is quite interested so that market opportunities gambier quite open for the domestic market and abroad. Land potential and development opportunities gambir high enough, it is in the use of plantation area of 1,224 ha and optimization of dry land area of 16 049, 6 hectares (Pakpak Bharat in Figures, 2013). Gambier development in Pakpak Bharat tends to increase, so it is necessary to study the suitability of land to see the direction of the development of the appropriate location. This assessment was conducted by using ALES (Automated Land Evaluation System). SDPLE (Standard Procedure for Land Evaluation) data was imported to ALES program. Land evaluation result was show in spatial form. This form made by imported tabulation data to GIS (Geographical Information System) form. Suitability land maps (scale 1 : 250.000) present based on each commodities by ArcView program.
KERAGAAN EKSISTING TANAMAN AREN (Arenga pinnata Merr) DI SUMATERA UTARA (Peluang dan Potensi Pengembangannya) Lukas Sebayang
Jurnal Pertanian Tropik Vol. 3 No. 2 (2016): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (261.839 KB) | DOI: 10.32734/jpt.v3i2.2967

Abstract

Sugar palm (Arenga pinnata, Merr) is the most important after the coconut because it is a versatile crop that has the potential to be developed. Sugar palm main products are produced from extracting male flower it can be made as sugar, drinks, acetic and alcohol. Other parts of the plant can be use for ingredient. Data from 2004 shows sugar palm plantation covers 5288.91 acres that are spread in 20 districts in North Sumatra. Utilization sugar palm excellent for especially extracting products can be used as feedstock for ethanol as the needs of the bioenergy development will need to be followed up. Opportunities and potential development in North Sumatra palm is huge in because ecosystems, climate and suitability of land in this area is very suitable for the sugar plant . Opportunities and potential development sugar palm in North Sumatra is very large in because ecosystems, climate and suitability of land in this area is very suitable for the sugar palm plant. Besides adaptable to various types of soils including degraded lands , reeds and for reforestation and forest conservation . Data in 2014 , there is the land area is temporarily not cultivated in North Sumatra tend to rise until 2013, covering an area of 296 032 ha . Another challenge than land development , are super - impose intesifikasi input technology is still minimal , improvement of production management , improved processing , marketing is still traditional , dissemination is still limited to a small proportion of farmers , and the difficulty of seeds . So, we need a shared commitment between the central government and local governments to create policies how the potential development of the sugar plant can be followed in the future. This paper reviews the prospects of development potential, especially palm acreage potential, opportunities and challenges as well as the availability of the technology in North Sumatra.
Efect of palm oil factory sludge manure on the growth and yield of cabbage Lukas Sebayang
Jurnal Pertanian Tropik Vol. 6 No. 3 (2019): JURNAL PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (251.72 KB) | DOI: 10.32734/jpt.v6i3.3167

Abstract

Palm sludge is a source of organic material potential to increase cabbage production. The researchwas conducted at Berastagi Sub Research Institute for Horticulture at 1.230 m above sea level onSeptember 2017 to January 2018. The purpose of this study was to determine the effect of palm oilfactory sludge manuring on cabbage growth and yield. The experiment used Randomized BlockDesign with 5 replications. The results indicated that treatment of NPK + Cattle manure at 30 tons/hawas the highest yield (73.4 tons/ha) followed by treatment NPK + Palm Oil Factory Sludge at 15tons/ha ( 69.6 tons/ha). The used of fertilizer combination of NPK + Palm Oil Factory Sludge at 15tons/ha was recommended.
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