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All Journal Tunas Geografi AGROEKOTEKNOLOGI Jurnal Mantik Penusa SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Jurnal Abdi Ilmu Jurnal Pendidikan dan Konseling Jurnal Ilmu Teknik dan Komputer Jurnal Ekonomi Rona Teknik Pertanian

Zulkifli Nasution

Universitas Sumatera Utara

Author-ID : 2621514

Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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PEMETAAN STATUS UNSUR HARA C-ORGANIK DAN NITROGEN DI PERKEBUN NANAS (Ananas comosus L. Merr) RAKYAT DESA PANRIBUAN KECAMATAN DOLOK SILAU KABUPATEN Rosmenda Ginting Rosmenda Ginting; Razali Razali; Zulkifli Nasution
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

ROSMENDA GINTING:Mapping of Nitrogen and C-Orgnic status on Pineapple(Ananas comosus L. Merr) plantations owned by people at the village of Panribuan Subdistrict ofDolok Silau Simalungun District superinted by Ir. Razali, MP. And Prof.Ir. Zulkifli Nasution,M. Sc.,Ph.D. This research purpose to make a mapping of Nitrogen and C-Orgnic status onPineapple plantations owned by people at the village of Panribuan Subdistrict of Dolok SilauSimalungun District The research start to do on October 2012 until January 2013. Method of takingsample uses the free method grid survey with detail scale and use correlation method to analysisdata, with interpretating in mapping Nitrogen and C-Organic. Parameter that analysis in laboratoryis Nitrogen and C-Orgnic status. The result of research showing that status Nitrogen devided by 1status such as; medium (35,44 ha), C-Organic devided by 4 status such as ; Low (0,19 ha), Medium(1,01 ha), high (12,89 ha), and highest (21,35 ha).C/N devided by 3 status such as ; Low (1,95 ha),Medium (11,70 ha) and high (21,79 ha). From the analysis data using correlation method, knownthat the no effect on the production are Nitrogen and C-Organic but that effect are C/N.Key words: Mapping, Nitrogen, C-Organic and C/N

PENGARUH AIR LAUT, ZEOLIT, DAN PASIR VULKAN TERHADAP STATUS HARA PADA TANAH GAMBUT SERTA PERTUMBUHAN DAN PRODUKSI PADI SAWAH Ahmad Taufik Lubis; Zulkifli Nasution; Sarifuddin Sarifuddin
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTThe objective of this research is to improve the chemical properties of peat soil for increasing riceproductivity. The research using factorial randomized block design with 2 factors and 3 replications,consist of a) sea water, and b) mineral materials (zeolite and volcanic material). Mineral materials(M) consist of without mineral materials (M0), 2% zeolite mineral soil samples (200 gram/pot)(M1), volcanic material as much as 10% (1000 gram/pot) (M2), and mixture of zeolite minerals andvolcanic material (M3). Sea water like without sea water (0%) (A0), 25%v/v consentration of seawater (A25), 50% v/v consentration of sea water (A50), and 75%v/v consentration of sea water (A75).The results showed that the application of mineral zeolite and volcanic material significantlyincreased soil pH concentration, P- available, bulk density, dry weight of the canopy and root dryweight. Sea wate significantly decreased pH, cation exchange capacity, shoot and root dry weight,increasing electrical conductivity, base saturation but increasing P- available not significantly onempty grain and weight of 1000 grains.Keywords : sea water, zeolite, volcanic material, peat soil, and paddy

Evaluasi Kesesuaian Lahan Untuk Tanaman Jagung (Zea Mays L.) dan Ubi Jalar (Ipomoea batatas L.) di Kecamatan Kualuh Selatan Kabupaten Labuhanbatu Utara Aslan Pasaribu; Zulkifli Nasution; Mariani Sembiring
Jurnal Agroekoteknologi Vol 6, No 4,Okt (2018)
Publisher : Universitas Sumatera Utara

This study aims to evaluate the suitability of corn crop plant (Zea mays L.) and sweet potato (Ipomea batatas L.) in South Kualuh Subdistrict of North Labuhanbatu District. The method used in this research is survey method From the results of the overlay from the map of soil types, map of topography, and map of height place, retrieved 5 units of land use map. SPL 1 has an area of 34.95 hectares, SPL 2 has an area of 12.96 hectares, and SPL 3 has an area of 24.96 hectares, SPL 4 has an area of 159.85 hectares, and SPL 5 has an area of 73 hectares. The result at this research showed the highest potential of land suitability classes in set of land 1 is corn (S2 tc) and sweet potato (S2 tc, wa), in set of land 2 is corn (S2 tc) and sweet potato (S2 tc, wa), in set of land 3 is corn (S2 tc) and sweet potato (S2 tc , wa), in in set of land 4 is corn (S2 tc) and sweet potato (S2 tc, wa), in set of land 5 is corn (S2 tc) and sweet potato (S2 tc, wa).

Co-Authors Agus Arip Munawar Ahmad Taufik Lubis Ameilia Zuliyanti Siregar Anggi Lanari Lubis Aslan Pasaribu Efori Buulolo Fendi Pangihutan Siadari Hengki Tamado Sihotang Herdianto Herdianto Husain Husain Ichwana Ichwana Ichwana Ramli Indera Sakti Nasution Mahidin Mahidin Mariani sembiring Melinda Melinda Meutia Nauly Muhammad Zarlis Muhibuddin Muhibuddin Mukhlis, Mukhlis Nasrul Nasrul Netti Herlina Siregar Purwoko, Agus Razali Rosmenda Ginting Rosmenda Ginting Sarifuddin Sarifuddin Sri Wahyuni Tambunan, Ayu Anggraini Tarmizi Tarmizi Tri Faith Gushendipo Manalu Tulus Tulus

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