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AGROEKOTEKNOLOGI

agroekoteknologi
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Published by Universitas Sumatera Utara

ISSN : 23376597 EISSN : - DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal AGROEKOTEKNOLOGI merupakan jurnal ilmiah yang diterbitkan secara online berisikan hasil-hasil penelitian tentang hama dan penyakit tumbuhan, agronomi, pemuliaan tanaman dan ilmu tanah

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Articles 943 Documents

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PENGARUH PEMBERIAN KOMPOS KULIT DURIAN PADA TYPIC HYDRAQUENT, UMBRIK DYSTRUDEPT, DAN TYPIC KANDIUDULT TERHADAP BEBERAPA ASPEK KESUBURAN TANAH (pH, C ORGANIK, DAN N TOTAL) SERTA PRODUKSI TANAMAN JAGUNG (Zea mays L.) Rian Hardiansyah Manurung; Lahuddin Musa; Fauzi Fauzi
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

The objective of this research is to know the influencing of the Husk-pulp compost of Duriozibethinus to Typic Hydraquent, Umbrik Dystrudept, dan Typic Kandiudult on some the soilfertility aspect (pH, C organic, and N total) and the maize production. The experiment wasconducted at the green house, at Laboratory of Chemistry and Soil Fertility, and Research andTechnology Laboratory, Faculty of Agriculture, University of Sumatera Utara, Medan. Groun planof experiment was maked agree with Randomized Block Design (RBD) with 2 factors and 3replications, namely durio husk-pulp compost consist which of 5 levels: D0 (0 g), D1 (109,5 g), D2(219 g), D3 (328,5 g), D4 (438 g) and soil’s ordos, which consist of 3 levels, that are: T1 (TypicHydraquent), T2 (Umbrik Dystrudept), dan T3 (Typic Kandiudult), and 3 replications to meet 45experimental units.The results of this research showed that the increasing bend of Typic Hydraquentwas been the highest of them because of the increasing of the durio husk-pulp compost’s doses, theincreasing bend of Typic Hydraquent, Umbrik Dystrudept, and Typic Kandiudult’s C organic werebeen same relativy because of the increasing of the durio husk-pulp compost’s doses, the increasingbend of Umbrik Dystrudept and Typic Kandiudult’s N total were been same relativy because of theincreasing of the durio husk-pulp compost’s doses, except to the increasing bend of TypicHydraquent’s N total, and maize dry-weights in Typic Hydraquent, Umbrik Dystrudept, and TypicKandiudult are several increase until the same doses.

RESPONS PERTUMBUHAN BIBIT KAKAO (Theobroma cacao L.) TERHADAP PEMBERIAN ABU BOILER DAN PUPUK UREA PADA MEDIA PEMBIBITAN Uli Kris Putri Sitorus; Balonggu Siagian; Nini Rahmawati
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

Growing media fertility can be improved or enhanced with inorganic or organic fertilizer, such asboiler ash, which is one type of solid waste by-product of palm oil mills as well as the source ofnitrogen urea fertilizer, is expected to boost growth of cocoa seedling in the nursery. This researchhad been conducted at experimental field of Fakultas Pertanian USU in May 2013 until September2013, using factorial randomized block design with two factor. The first factor was dose of boiler ash(0, 100, 10 g/polybag) and the second factor was dose of urea fertilizer (0, 5, and 10 g/polybag).Parameter observed were plant height, total of leaf area, dry shoot weight and dry root weight.Theresult showed response of boiler ash on cocoa seed significantly increase total of leaf area and dryshoot weight. Urea fertilizer significantly affect dry shoot weight. Interaction of both significantlyaffect dry shoot weight. The best results from interaction boiler ash and urea fertilizer were obtainedin the treatment of boiler ash at 300 g/polybag and urea fertilizer 5 g/polybag.________________________________________________________________________________Keywords: Boiler Ash, Urea Fertilizer, Cocoa Seed

APLIKASI PUPUK ORGANIK PADAT DAN CAIR DARI KULIT PISANG KEPOK UNTUK PERTUMBUHAN DAN PRODUKSI SAWI (Brassica juncea L.) Fadma Juwita Nasution; Lisa Mawarni; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

The Application of Solid and Liquid Organic Fertilizer of Banana Kepok Bark on the Growth andYield of Mustard (Brassica juncea L.). The research aimed to know differences in growth responseand yield of mustard in various dose of solid and liquid organic fertilizer from banana kepok barkand the interaction of both factors. The research was carried out in the home screen, Agriculture’sFaculty of North Sumatera University from August to Oktober 2013. The experiment design wasFactorial Randomized Block design (FRB) with two factors and three replications. The first factorwas the solid organic fertilizer dose consist of four levels are 0 , 30 , 60 and 90 g/plant. The secondfactor was a liquid organic fertilizer dose are 0 , 25 , 45 and 65 ml/plant/application. The resultsshowed that the solid organic fertilizer give significant effect on lower the plant height 15 daysafter transplanting and the total of leaf area on 30 days after transplanting. The liquid organicfertilizer significant effect on lower plant height 11 , 19 , 23 , and 27 days after transplanting, dryweight of plant on 30 days after transplanting, the plant yield per sample and yield per plot on 40days after transplanting. The interaction of both significantly on parameter plant height 7 days aftertransplanting and the best result treatment is solid organic fertilizer 30 g/plant without liquidorganic fertilizer.Keywords: Solid Organic, Mustard, Bark of Banana

KAJIAN PENANAMAN KEDELAI DI BAWAH KELAPA SAWIT UMUR EMPAT TAHUN DI PTPN III KEBUN RAMBUTAN Surya Wardhana; Lisa Mawarni; Asil Barus
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

To study the growth and yield of soybean under of oilpalm age four years at PTPN III KebunRambutan, a research has been done in February to May 2012. The design used was random plotdesign with two treatment. The first factor are varieties (Anjasmoro and Nanti) and the secondfactor are planting system (Square and Hexagonal planting system).The result showed that varietieshas significant effect of the plants length at 3, 4, 5, and 6 weeks after planting (WAP), amount ofleafs, age of flowering, weight of dry branches, production per plot, and amount of 100 seeds. Theplanting system has only influence of amount of 100 seeds. There was no interaction between thetwo treatments that was observed for all parameters.Keywords: soybean, planting system, and variety.

EVALUASI KESESUAIAN LAHAN UNTUK PADI SAWAH TADAH HUJAN (Oryza sativa L.) DI KECAMATAN MUARA KABUPATEN TAPANULI UTARA Yopie Priest Aulia Sinaga; Razali Razali; Mariani Sembiring
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

This study aimed to evaluate the suitability of land in Muara North Tapanuli for rainfed paddyfields. Based on a map of soil type and slope maps generated from topographic maps with a scaleof 1: 50,000, then be overlaid. Raised 3 LMU(Land Map Unit) are eligible to be assessed for rainfedpaddy crop. The assessment of land suitability classes with appropriateness rainfed paddy fieldscriteria is based on Djaenuddin, et al., 2011. The results showed that the potential land suitabilityclass LMU 1 isN (rc), potential land suitability class LMU 2 is S3 (tc), potential land suitabilityclass LMU 3 is S3 (tc, rc). Potential land area for rainfed paddy fields in the district of Muara is of1844 hectares.

PENGARUH DOSIS PUPUK DAN JERAMI PADI TERHADAP KANDUNGAN UNSUR HARA TANAH SERTA PRODUKSI PADI SAWAH PADA SISTEM TANAM SRI (System of Rice Intensification) Hanafi Ansari; Jamilah Jamilah; Mukhlis Mukhlis
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

ABSTRACTThis research purposed to know the influence of the straw ricew treatmeant and the NPK fertilizerdosage to the chemical nature growth and the field rice production (Oriza Sativa L) to the soil fieldwith the SRI (System of Rice Intensification) system. This research do in Air Hitam village, LimaPuluh Sub District and analyzed in chemical and fertilizer laboratory Agriculture Faculty,University North Sumatera. This research using the draft of separate plot with the main slot of therice straw treatment on the J0 (The rest of the straw left), J1 (straw cleared and embedded), J2(Leftover straw immersed in tripe + manure) and on the sub plot of F0 (without fertilizer). F1 (doseof fertilizer NPK 50%), F2 (dose of fertilizer NPK 100%). From the research result of the strawtreatment influence to the C-organic, total N, P-available, K-exchanged soil, high of plant, numberof filler in the grain weight but not influence to the pH soil and grain weight. The fertilizertreatment influence to the plant hight and the grain weight but not in influence to the pH, C-organic, total N, K-exchanged soil, grain weigh. While the interaction between the straw treatment and thefertilizer treatment only influence the P available.Key words :SRI, straw of rice, NPK fertilizer

PERTUMBUHAN DAN PRODUKSI JAGUNG ( Zea may s L. ) PADA BERBAGAI METODE PENGENDALIAN GULMA Norman Swasco Simanjuntak; Edison Purba; Jonatan Ginting
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

The presence of weeds in the cultivation of maize PRG C7 tolerant to glyphosate herbicide face theproblem of decline in maize production . The spraying of glyphosate herbicide can suppress weeds ,and is expected to increase the growth and production of maize in cultivation . Research conductedat Balai Benih Induk Tanaman Palawija crop field , Tanjung Selamat , Kecamatan sunggal,, NorthSumatra on March-July 2013, using a randomized block design (RBD ) with four types of nonfactorialmethod of weed control treatments and 4 replications . The parameters measured wereplant height , number of leaves , leaf length , leaf width , stem diameter , high productive cob,number of productive cob , cob length , cob diameter , cob weight klobot , klobot ear length , earweight without klobot , number of seeds per cob shelled , shelledgrain weight per ear, dry weight of 100 seeds,water content. The results showed that theeffect of glyphosate herbicide spraying is not real stem diameter and dry weight of 100 seeds butsignificant effect on other parameters.________________________________________________________________________________Keywords: product of genetic engineering, tolerant of glyphosate , glyphosate , weed , corn hybrids.

RESPONS PERTUMBUHAN BIBIT KAKAO (Theobroma cacao L.) TERHADAPPEMBERIANPUPUK KANDANG KELINCI DAN PUPUK NPK (16:16:16) Hendrikson Ferrianto Sitompul; Toga Simanungkalit; Lisa Lisa Mawarni
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

One of the factors that determine the quality of cocoa seedlings are growing medium that has achemical and physical fertility, in order to obtain a good and healthy seeds for furthergrowth.Growing media fertility can be improved or enhanced with inorganic or organic fertilizer,such as Rabbit manure, which is one type of solid waste rabbit manure and NPK fertilizer, isexpected to increase the growth of cocoa seedling. This research had been conducted atexperimental field of Fakultas Pertanian USU in July 2013 until September 2013, using factorialrandomized block design with two factor, i.e. dose of rabbit manure (0, 50, 100, and 150 gram perpolybag) and dose of NPK fertilizer (0 ,4, 8, and 12 gram per polybag). Parameter observed wereplant height, stem diameter, number of leaf, summarize of leaf area, fresh weight of shoot, freshweight of root, dry weight ofshoot and dry weight of root. The result showed response of rabbitmanure on cocoa seed significantlyincrease plant height, total of leaf area, and dry shoot weight.The best results from this experimental were obtained in the treatment of rabbit manure at 150g/polybag.________________________________________________________________________________Keywords: Rabbit manure, NPK Fertilizer, Cocoa Seedling

DAMPAK POLA TANAM PADI – PADI DAN PADI – SEMANGKA TERHADAP Al DAN Fe PADA KONDISI TANAH TIDAK DISAWAHKAN DI DESA AIR HITAM KECAMATAN LIMA PULUH KABUPATEN BATUBARA Rizki Annisa Nasution; M. M. B. Damanik; Jamilah Jamilah
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

Several farmers in the Village of Air Hitam Sub District of Lima Puluh District of Batubara wereused the impact of Rice-Watermelon cropping system because production of rice was descended inevery years and to increasing the use irrigate efficiency. The difference in cropping system and thelong inundation result differences paddy soil properties. This research analyzed the soil pH, Al-dd,Al saturation, Fe3+, and Cation Exchange Capacity (CEC) of land in the village of Air HitamSub District of Lima Puluh District of Batubara with altitude of 14 meters above sea level. Theresearch start to do on May until November 2012. The results of analyzed was procced by t-analyze.The showed that soil pH, Fe3+, CEC on Rice-Rice cropping system is lower than the Rice-Watermelon, while Al was higher in Rice- Rice cropping system than Rice- Watermelon.Keywords: Al, Fe, paddy soil, cropping system

UJI EFEKTIFITAS INSEKTISIDA NABATI TERHADAP MORTALITAS Leptocorisa acuta Thunberg. (Hemiptera : Alydidae) PADA TANAMAN PADI (Oryza sativa L.) DI RUMAH KACA Ahmad Fauzi Syahrial Oemry, Yuswani Pangestiningsih; Syahrial Oemry; Yuswani Pangestiningsih
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

“The Effectiveness of Botanical Insecticides Test to Mortality the Leptocorisa acuta Thunberg.(Hemiptera : Alydidae) on rice plant in Greenhouse”. The research was held at the Greenhouse OfAgriculture Faculty University of North Sumatera, Medan since June – August 2013. The methodof this research was Completely Randomized Design Non Factorial with 8 treatments and 3replications. Treatments being tested is K0 (control), A1, A2, A3 (25, 50, 75 ml tuba rootextracts/litre of water), T1, T2, T3 (25, 50, 75 ml tobacco extracts/litre of water), and AT (50 mltuba root extracts/litre of water + 50 tobacco extracts/litre of water). The parameters includethe percentage of mortality pest and the death of imago. The result showed that the most effective ofbotanical insecticides was found in treatment AT (100%) at 3 days after application, followed by T3(100%) at 4 days after application and T2 (96,67%) and A3 (95%) at 5 days after application, andless effective was found in A1 (81,67%) and T1 (88,33%) at 5 days after application, and on the 6days after application all botanical insecticides treatmens has show 100% mortality. The death ofimago is the fastest in treatments AT, T3, T2, A3, A2 and T1 occurred at 1 day after planting, andlongest are on treatments A1 occurred at 2 day after planting.Keyword: botanical insectisides, L. acuta, mortality, the time death

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