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All Journal AGROEKOTEKNOLOGI JURNAL ILMU PERTANIAN Jurnal Agro Estate Jurnal Agro Estate Agroland: Jurnal Ilmu-ilmu Pertanian

Benny Hidayat

Program Studi Agroteknologi Fakultas Pertanian Universitas Sumatera Utara, Medan

Author-ID : 2613248

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

Published : 11 Documents Claim Missing Document

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PENGARUH BIOMASSA AZOLLA TERHADAP STATUS LOGAM BERAT TIMBAL (Pb) PADA TANAH Muhammad Abror; Teuku Sabrina; Benny Hidayat
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

Research on title the effect of Pb-Polluted azolla biomass on polluted on lead heavy metal status at polluted and unpolluted soil with Pb aimed to evaluate the potency of Pb-polluted azolla biomass on the availability of Pb in soil. The experiment design was factorial randomized block design with 2 factors and 3 replications. First factor was Pb-polluted azolla biomass with 3 treatments 0 g/kg, 15 g/kg and 30g/kg, second factor was Pb application with 3 treatments 0 ppm/kg, 150 ppm/kg, and 300 ppm/kg. The parameters was soil pH, organic matter. Pb total and available Pb from 1 week and 2 weeks after applying Pb-polluted azolla. The result showed that application of Pb-polluted azolla biomass increased 20% and 30% the availability of Pb after 1 week compare to control for Pb-polluted azolla treatment 15 g/kg and 30 g/kg respectively. Application of Pb-polluted azolla biomass did not significantly affected the soil pH and increasing soil organic matter. Meanwhile application of Pb polluted azolla biomass on unpolluted soil increased Pb-available about 60% and 85% compare to control for azolla biomass applying 15 g/kg and 30 g/kg, and also increasing soil organic matter content. In the second week, Pb-polluted azolla biomass increased Pb availability in unpolluted soil around 75% and 82% for azolla treatment 15 g/kg and 30 g/kg respectively. Meanwhile in the treatment applying 300 ppm Pb, application of Pb-polluted azolla decreased 8% Pb of available. In general, the effect of application Pb-polluted of azolla biomass increased the amount of Pb available and soil organic matter in the soil and pH decreased with time.

KARAKTERISTIK BIOLOGI DAN KIMIA TANAH SAWAH AKIBAT PEMBAKARAN JERAMI Annisa Tommy; Mukhlis Mukhlis; Benny Hidayat
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

The aim of this research was to study the biological and chemical characteristics of paddy soilcaused of burning rice straw. This research was conducted in Subdistrict Tanjung Morawa, DistrictDeli Serdang, North Sumatera Province. Sampling was done at the public rice field with strawburning over it and Balai Benih Sari Murni which never burning straw. Soil samples were takenunder the heap of burnt straw in three times, i.e after burning soon (0 week after harvesting), 1 and2 week after harvesting to analyze the number of arthropod an microorganisms, soil colour, texture,pH, C-organic, N-total, P-available, and K-exchangable in The Soil Biology, Soil Chemical andFertility, and Research and Technology Laboratory, Agricultural Faculty of North SumateraUniversity, Medan. The results showed that the soil with straw burning over it has the number ofarthropod and microorganism, C-organic, N-total, and P-available is lower than the unburnt soil. pHand K-exchangeable of the burnt soil is higher than the unburnt soil. In 2 weeks afterburning, the number of arthropod and microorganism, C-organic, and P-available gets recoveryfrom before.

Analisis Perubahan Penggunaan Lahan dan Penutupan Lahan Tahun 2003 dan 2013 di Kabupaten Dairi Sri Wahyuni; Hardy Guchi; Benny Hidayat
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

The demand for land growing up synergy with population growth become one of the driving factorsof land use change. Dairi regency is one of regencies in North Sumatra with an area of 192.780hectares that most of the land not used and not optimized by the resident in order to meet thedemand for land. This study was conducted on July 2013 through March 2014 using the surveymethod with the use of GPS equipment and Landsat TM 7. The results showed that land coverconditions that primary forest, secondary forest, cultivated land, residential and open land hasincreased while the paddy fields, wet land decreased. This is due to the social conditions of thepopulation, and an increasing number of residents in the area which led to the demand of land forsettlement and cultivation of the land will continue to rise.Keywords : land cover , land use , Dairi Regency and driving factor land changes

Efek Air Laut dan Bahan Mineral Terhadap Sifat Kimia Tanah, Pertumbuhan dan Produksi Padi Pada Tanah Gambut Lila Wulandari; Sarifuddin Sarifuddin; Benny Hidayat
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

The objective of this research is to study the effect of sea water and mineral materials on soilchemical properties, growth and production of rice in peat soils. This research was conducted atgreen house and samples analyzed at soil chemical and fertility laboratory and research andtechnology laboratory. This research used factorial randomized block design with 2 factorstreatments consist of sea water and mineral materials (volcanic material, steel slag, dolomite, andcalx) with 3 replications. Volume of sea water added were 0 ml (+ 1000 ml fresh water) per pot,250 ml (+ 750 ml fresh water) per pot and 500 ml (+ 500 ml fresh water) per pot. Dosage ofvolcanic material, steel slag, dolomite, and calx are 250 g/pot, 50 g/pot, 50 g/pot, and 250 g/pot.The result showed that application volume of sea water influenced significantly increase ofelectrical conductivity, ratio C/N and empty grains but not significantly effect on soil acidicity,natrium, kalium, calcium, and magnesium exchangeable, cation exchange capacity, base saturation,organic carbon, total nitrogen, bulk dencity, number of tillers, and productive tillers per clump, andweight of 1000 grain. Application of mineral materials (volcanic sand, steel slag, dolomite, andcalx) increase significantly of soil acidicity, cation exchange capacity, organic carbon, and weight1000 grain but not significant on natrium exchangeable, total nitrogen and bulk dencity.Keyword: sea water, volcanic sand, steel slag, dolomite, calx, peat, rice

Evaluasi Status Hara Tanah Berdasarkan Posisi Lahan di Kebun Inti Tanaman Gambir (Uncaria gambir Roxb.) Kabupaten Pakpak Bharat Muhammad Arif Setiawan; Abdul Rauf; Benny Hidayat
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

Evaluation of soil nutrient status is one way to be able to determine the nutrient needs of the soiland the management techniques that will be performed on an area of land. This study aimed toevaluate the nutrient status of the soil (pH, N, P, K, Ca, Mg) based on the position of the land in thecore Gambir Garden Pakpak Bharat District. It was conducted at the core Gambir Garden PakpakBharat District, North Sumatra on March 2013 until June 2013. The method used in this research isdescriptive method by conducting surveys and soil sampling based on the position of the land whichis on the top of the hill, hillside and valley side. The results showed soil nutrient status of N in CorePlant Gambir Garden Pakpak Bharat District. is likely to increase in the valley compared to the topof the hill and hillside. As for the value of pH and P are highly the same, while the value of K, Caand Mg rate tends to decrease.Keyword: land position, soil nutrients, gambir (Uncaria gambir Roxb.)

Dampak Penanaman Pohon Hutan di Lahan Perkebunan Karet (Hevea brasiliensis Muell.Arg) Pada Sifat Biologi Tanah di Kecamatan Bahorok Kabupaten Langkat Muhammad Thamrin; Abdul Rauf; Benny Hidayat
Jurnal Agroekoteknologi Vol 5, No 2 (2017)
Publisher : Universitas Sumatera Utara

ABSTRACT The objectives of the research ware to study the effect of Gaharu, Damar, and Meranti wood planting on rubber plantation site over soil biological properties in District Bohorok Langkat as well as to see the effect of the best tree for land space in rubber plantation. Research conducted at Land of Rubber Plantation in the village of Batu Jonjong and Timbang Lawan in February 2016 until June 2016. This research used survey descriptive method by purposive sampling method. Sampling chosen ware for: control as rubber without intercrops (K0), rubber trees intercrops with Gaharu (K1), rubber trees intercrops with Damar (K2) and rubber trees intercrops with Meranti (K3). The measured parameters ware organic C, total N, C/N, microbes total, soil respiration, soil macrofauna and earthworms. The results showed that planting gaharu, damar and meranti gave effect improvement of biological properties in rubber plantation and the best tree for land space in rubber plantation was rubber with Damar trees (K2). Keywords: Plant-stream, purposive sampling, soil biology

Aplikasi Bahan Organik dan Biochar untuk Meningkatkan C – Organik, P dan Zn tersedia Pada Tanah Sawah R. Ayu Chairunnisya Chairunnisya; Hamidah Hanum; Benny Hidayat
Jurnal Agroekoteknologi Vol 5, No 3 (2017)
Publisher : Universitas Sumatera Utara

The yield of rice crops that have been fertilized intensively by used inorganic fertilizer with high dosecan caused decline of land productivity. The purpose of this research was to know the effect of organicmatter application to increasing organic carbon, P – available, and Zn - available in paddy soil. Thisexperiment was conducted in green house and Laboratory of Research and Technology AgricultureFaculty Univesity of Sumatera Utara, Medan from March until July 2016. Soil samples were takenat Lubuk Dendang village, Serdang Bedagai district. The research used non factorial randomizedcomplete design with eight treatments and three replications, consist of A (control), B (cow manure10 ton/ha), C (rice husk biochar 10 ton/ha), D (straw compost 10 ton/ha), E (cow manure + rice huskbiochar 20 ton/ha), F (cow manure + straw compost 20 ton /ha), G (rice husk biochar + straw compost20 ton/ha), and H (cow manure + rice husk biochar + straw compost 30 ton/ha). Parameters observedare include soil pH, organic carbon, P – available and Zn – available. The result showed that all kindof organic matters and biochar which used in this research have no effect on increasing soil pH, Zn –available but have same effect on increasing organic carbon and P – available.Key words : biochar, organic carbon, organic matters, P – available, Zn -available

Co-Authors Abdul Rauf Annisa Tommy Bintang Sitorus Hamidah Hanum Hardy Guchi Lady Sarah Lila Wulandari Mariani sembiring Muhammad Abror Muhammad Arif Setiawan Muhammad Thamrin Mukhlis, Mukhlis Nurul Annisa Lubis Nurul Annisa Lubis R. Ayu Chairunnisya Chairunnisya Sarifuddin Sarifuddin Sri Wahyuni T Sabrina T. Sabrina Teuku Sabrina Y Prasetiyo

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