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RESPONS PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS KEDELAI (Glycine max L. (Merill.)) DI LAHAN KERING TERHADAP PEMBERIAN BERBAGAI SUMBER N Irma Afriyanti; Asil BaruS; Yaya Hasanah
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (118.384 KB) | DOI: 10.32734/jaet.v2i2.7058

Abstract

ABSTRAKRespons Pertumbuhan dan Produksi Beberapa Varietas Kedelai (Glycine max L. (Merill.) di LahanKering Terhadap Pemberian Berbagai Sumber N. Penelitian ini bertujuan untuk mengetahui responspertumbuhan dan produksi tiga varietas kedelai di lahan kering terhadap pemberian berbagaisumber N. Penelitian ini dilaksanakan di Desa Sambirejo Kecamatan Binjai, Kabupaten Langkatdengan ketinggian tempat ± 25 meter di atas permukaan laut pada bulan Juni - September 2012dengan menggunakan Rancangan Acak Kelompok Faktorial dengan 2 faktor. Faktorpertama varietas dengan 3 jenis yaitu varietas Anjasmoro, Wilis dan Sinabung. Faktor keduasumber N 4 jenis yaitu tanpa nitrogen, sumber N-Anorganik (Urea), sumber N-Hayati(Bradyrhizobium japonicum) dan Sumber N-Organik (pupuk kandang). Peubah amatan adalahjumlah cabang produktif, jumlah polong berisi, bobot kering biji per tanaman dan bobot kering 100biji. Hasil penelitian menunjukkan bahwa varietas berpengaruh nyata terhadap jumlah cabangproduktif, jumlah polong berisi dan bobot kering 100 biji. Sumber N berpengaruh tidak nyataterhadap semua parameter. Interaksi kedua perlakuan berpengaruh nyata terhadap jumlah polongberisi.Kata kunci : varietas. sumber N. kedelai
RESPONS PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS KEDELAI (Glycine Max L. (MERILL)) DENGAN PEMBERIAN PUPUK ORGANIK CAIR Dyah Karunia Sari; Yaya Hasanah; Toga Simanungkalit
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (245.374 KB) | DOI: 10.32734/jaet.v2i2.7072

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Reseacrh on tittle respons of soybean (Glycine max L. (Merill)) varieties growth and productionwith application of liquid organic fertilizer aimed to evaluate the effect of three levels liquid organicfertilizer on four of soybean verieties growth and production in dry land. The experiment designwas factorial randomized block design with two factors and three replication. The first factor wasvarieties which consisted of Anjasmoro, Wilis, Detam 1, and Detam 2. The second factor was liquidorganic fertilizer with three levels: 0; 20; 40 cc/applications which applied for seven times at 2–8week after planting (WAP). The parameters was plant height, shoor root ratio, number ofproductive branches, seed dry weight per plot, and 100 seed dry weight. The result showed thateach variety had different growth and production. Liquid organic fertilizer increased plant height4-5 WAP, shoot root ratio, and seed dry weight per plot compared without application of liquidorganic fertilizer. Interaction between varieties and liquid organic fertilizer significantly affectednumber of productive branches and 100 seed dry weight. Wilis showed the best respons withapplication of 16.75 cc liquid organic fertilizer because of its ability to produce the higher 100 seeddry weight.Keywords : soybean, production, liquid organic fertilizer, variety
RESPONS PERTUMBUHAN DAN PRODUKSI KEDELAI (Glycine max L. (Merill)) DI LAHAN KERING TERHADAP INOKULASI Bradyrhizobium japonicum YANG DIINDUKSI GENISTEIN DAN PEMBERIAN PUPUK ORGANIK Yuda P Surbakti1; Yaya Hasanah; Lisa Mawarni
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (115.941 KB) | DOI: 10.32734/jaet.v2i2.7073

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Effort to increase soybean production in dryland experiencing problems such as nutrientdeficiencies. Alternative attempt to resolve the issue that inoculation of B. japonicum is able tofixate free N2 in the atmosphere that can be utilized by soybean plants. In this symbiosis requiredisoflavone genistein is a signal molecule for nodulation. The objective of this research was knowthe respons of growth and production of soybean (Glycine max L. Merill.) on dryland withapplication of inoculation B. japonicum induced genistein and organic fertilizer. This research wasconducted at Desa Sambirejo Kecamatan Binjai Kabupaten Langkat on June - October 2012, usinga randomized block design factorial with two factors. The first factor was isoflavon (genistein)consisted of without genistein and with genistein. The second factor was combination ofB. japonicum with organic fertilizer consisted of without B. japonicum; B. japonicum;B. japonicum + fertilizer organic (10 ton/ha); B. japonicum + rice straw compost (10 ton/ha);B. japonicum + fertilizer organic (5 ton/ha) + rice straw compost (5 ton/ha). Parameters observedwere shoot dry weight, root dry weight, seed dry weight per plant, and dry weight of 100 seeds.The result showed that induction of genistein tends to increase shoot dry weight, root dry weight,seed dry weight per plant, dry weight of 100 seeds, combination B. japonicum and rice strawcompost to increase dry weight of 100 seeds, and the interaction between genistein and combinationB. japonicum and rice straw compost tends to increase root dry weight and dry weight of 100 seeds.Key words: B. japonicum, genistein, growth, production, soybean
PERTUMBUHAN KEDELAI (Glycine max L. Merrill) DENGAN APLIKASI FUNGI MIKORIZA ARBUSKULAR (FMA) DAN KONSORSIUM MIKROBA Dini Oktaviani; Yaya Hasanah; Asil Barus
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (280.672 KB) | DOI: 10.32734/jaet.v2i2.7181

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The using of chemical fertilizer in soybean cultivation had created negative impact for environment.To decrease of it, the utilization of biological fertilizer in soybean cultivation can increase thegrowth and production of soybean. The objective of the research was to know the growth andproduction of soybean with application of Arbuscular Mycorrhizal Fungi (AMF) and microbeconcortium. This research was conducted at Jalan Setiabudi Kelurahan Simpang SelayangKecamatan Medan Tuntungan on April-July 2013, used factorial randomized block design with twofactors. The first factor was application of AMF (0, 20, 40 g per plant). The second factor wasapplication of microbe concortium (0,5,10,15 g per kg of seed). Parameters observed were plantheight, stem diameter, infection degree of AMF, weight of nodules and number of effectivenodules. The result showed that application of AMF increased plant height 6 weeks after plant(WAP), stem diameter, infection degree of AMF. The application of microbe concortium increasedplant height 6 WAP, stem diameter, infection degree of AMF. Interaction both of treatmentincreased plant height 2 WAP, weight of nodules and number of effective nodules.Keywords : soybean, arbuscular mycorrhizal fungi, microbe concortium
PERAN FUNGI MIKORIZA ARBUSKULA DAN PUPUK ROCK FOSFAT TERHADAP PERTUMBUHAN DAN PRODUKSI KEDELAI (Glycine max (L.) Merrill) Ratih Dewi Rengganis; Yaya Hasanah; Nini Rahmawati
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.375 KB) | DOI: 10.32734/jaet.v2i3.7466

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The objective of the research was to study to determine the effect of arbuscular mychorrhizal fungi(AMF). This research conducted at society field Setiabudi, Medan Tuntungan, in May-July2013using factorial randomized block design with two factor. The first factor wasaplication of AMF (0,20, 40, g/plant). The second factor was aplication of rock phosphate fertilizer (0, 50, 100, 150kg/ha). Variable observed consistedinfection degree of AMF,shoot dry weight,root dry weight andweight of dry seeds.The result showed that AMFeffect significantlyinfection degree of AMF, shootdry weight, root dry weight. Dose of rock phosphate fertilizer affect significantly,infection degreeof AMF, and weight of dry seeds. There is not significantly interaction between AMF and rockphosphate fertilizer for all variable observed.Based on the research results of the AMF dose(20g/plant) and rock phosphate fertilizer (150 kg/ha) can increase on soybean growth and production.Keywords: arbuscular mychorrhizal fungi,rock phosphate fertilizer, soybean
Respons Pertumbuhan dan Produksi Kailan (Brassica Oleraceae L.) pada Pemberian Berbagai Dosis Pupuk Organik Cair Paitan (Tithonia Diversifolia (Hemsl.) Gray ) Posma Sinaga; Meiriani Meiriani; Yaya Hasanah Yaya Hasanah
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (110.225 KB) | DOI: 10.32734/jaet.v2i4.8464

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The objective of the research was to determine the growth and production of mustard withapplication of liquid organic fertilizer from paitan . Paitan has the potencial as the nutrition adderfor plant because it can be rapidly decomposed and has many nutrients. Therefore, the applicationof liquid organic fertilizer from paitan is hoped to increase the growth and yield of mustard. Thisresearch conducted in Screen House, Faculty of Agriculture, University of Sumatera Utara, Medanon November 2013 to January 2014. The research used non-factorial randomized block designnamely of liquid organic fertilizer treatment (4, 8,12,7, 14 and 21 ml/plant/aplication). Variableobserved were leaf greeness scale, net assimilation rate, relative growth rate and fresh weight perplant. The result showed that the application of liquid organic fertilizer from Tithonia diversifoliasignificantly did not effect the growth and production of mustard. The best result showed by giving8 ml/plant/application liquid organic fertilizer.Keywords : liquid organik fertilizer, mustard, paitan
Pemanfaatan Mikofer pada Kelapa Sawit dengan Interval Penyiraman di Pembibitan Sakra Damanik; Irsal Irsal; Yaya Hasanah
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.771 KB) | DOI: 10.32734/jaet.v3i1.9343

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The availability of water that is limited for watering during the dry season, especially in the largearea of oil palm nursery can be overcome by saving the water, which, in this research is the intervalwatering. Another alternative that can be applied is the utilization of mycofer. The research wasconducted in the greenhouse of the Faculty of Agriculture University of North Sumatra fromSeptember 2013 to January 2014. Research design was factorial randomized block design with twofactors : mycofer application (0, 5, 10, 15 g/seedling) and the interval watering (every day, threedays and five days). Parameters observed were percentage of root infection, leaf area total, dryweight of shoot, dry weight of root, and water use efficiency (WUE). The result showed thatmycofer application significantly affected the percentage of root infection which the highestinfection on 18th week after application was 28,89% as the result of 10 grams mycofer application.There was no significant effect of both mycofer application and watering interval in leaf area total,dry weight of shoot and root. Watering interval significantly affected the WUE which the highestWUE was 13,69% as the result of five days watering interval. Moreover, the watering interval forfive days in the research didn’t impair the oil palm growth within 18 weeks. The interaction had nosignificant effect on all of the parameters observed.Keywords: mycofer, watering interval, oil palm
Respons Produksi Dua Varietas Bawang Merah (Allium ascalonicum L.) Terhadap Aplikasi Beberapa Jenis Pupuk Hijau Nur Laila; Lisa Mawarni; Yaya Hasanah
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (327.811 KB) | DOI: 10.32734/jaet.v3i2.10123

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Green manure is the fresh form of crop forage material added in the soil to increase the growth andproduction of shallot. This research was proposed to find out response of two varieties of shallot ingrowth and production on green manures. Research had been conducted at experimental field of theAgricultural Faculty USU in May to August 2014, using factorial randomized block design withtwo factors, two varieties of shallot (Medan and Bima) and green manures (control, Tithoniadiversifolia, Mucuna bracteata, Azolla pinnata). The results showed that treatment of varietiessignificant affected in harvesting age, bulb number per sample, bulb fresh weight per sample, andbulb dry weight per sample. The treatment of green manures significant affected increasing bulbfresh weight per sample and bulb dry weight per sample. The interaction of both parameterssignificant affected bulb numbers per sample of shallot. The best result were showed by variety ofBima and green manure of Mucuna bracteata.Keywords : shallot, green manure, variety
Keragaan Bibit Bud Chips Tebu (Saccharum officinarum L.) dengan Perlakuan Lama Perendaman dan Konsentrasi IAA Irda Nila Selvia; Meiriani Meiriani; Yaya Hasanah
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (305.164 KB) | DOI: 10.32734/jaet.v3i2.10133

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The objectives of the research was to study performance of sugarcane bud chips with soaking timeand IAA concentration treatment. The research was carried out at PT. Perkebunan Nusantara IITanjung Jati, Langkat (± 40 m slr) on May – August 2014. The research used factorial RandomizedBlock Design (RBD) with two factors and three replications. The first factor was soaking time with3 levels (10; 20; and 30 minutes) and the second factor was IAA concentration with 4 levels (0;100; 200; and 300 ppm). Data were analized with Analysis of Variance and continued withDuncan’s Multiple Range Test (DMRT). The variables observed were plant height, number ofleaves, and total leaf area. The result of research showed that the best performance of sugarcane budchips was at 20 minutes of soaking time and 200 ppm of IAA concentration that was showed by theheighest plant height 10 week after transplanting (WAT), in great quantities number of leaves 10WAT and the widest total leaf area 10 WAT was 20 minutes of soaking time and 200 ppm of IAAconcentration.Key words: sugarcane, bud chips, soaking time, IAA concentration
Respons Pertumbuhan dan Produksi Bawang Merah (Allium ascalonicum L.) Terhadap Komposisi Pemberian Abu Vulkanik Gunung Sinabung, Arang Sekam Padi dan Kompos Jerami Lis Amelia Anggun Purba; Yaya Hasanah; Haryati Haryati
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.683 KB) | DOI: 10.32734/jaet.v3i2.10140

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Volcanic ash had an acidic pH may degrade agricultural lands and the result of shallot production.The composition of giving about the volcanic ash, rice husk charcoal and rice straw compos canhelp the availability of nutrients through the release of organic acids thereby creating a plantingmedium that supports the growth and production of shallot. The objective of the research was todetermine the effect of composition of giving about the volcanic ash, rice husk charcoal and strawcompost on the growth of shallot. The research was done at experimental field of AgriculturalFaculty, University of Sumatera Utara, Medan in July-September 2014. The research usedrandomize block design with seven treathments and three replications. This study used arandomized block design Non Factorial with ten treatments and three replications. Parameterobserved were tillers number, wet weight per sample, wet weight per plot, dry weight per sample,dry weight per plot. The results of research showed that the composition of giving about thevolcanic ash, rice husk charcoal and straw compost influence significantly the parameters of tillersnumber 4 MST. There are no significant different for wet weight per sample, wet weight per plot,dry weight per sample, dry weight per plot.. The composition of giving volcanic ash 5 ton/ha + ricehusk charcoal 5 ton/ha + straw compost 3,75 ton/ha was the the best composition to produce tillersnumber of shallots.Keywords : rice husk charcoal, shallot, straw compost, volcanic ash