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Nurbaiti '
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PENGARUH PEMBERIAN ETHEPON TERHADAP PRODUKSI TANAMAN KEDELAI (GLYCINE MAX L. MERRIL) PADA JARAK TANAM BERBEDA Ninda Sophia Abrina Sitorus; Aslim Rasyad; Nurbaiti '
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 2, No 2 (2015): Wisuda Oktober 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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Application of ethepon on soybean grown under densely population is expected to enhance plant growth and increase assimilate translocation to seed. Ethrel 40 PGR is chemical compound containing ethepon,  when it is in plant organ would be converted to ethylene and may accelerate flowering. This study aims to determine the effect of ethepon on soybean crop production under two different planting spaces. A field experiment was conducted by using split plot design, in which four levels of ethepon concentration ie; 100 ppm, 200 ppm, 300 ppm, and control were assigned to main plot and two levels of planting spaces ie; 40 cm x 15 cm and 40 cm x 20 cm were assigned as subplot. Traits observed were plant height, days to flower, days to harvest, filled pod numbers per plant, seeds number per plant, grain yield m² and 100-seed weight. The results showed that applicqation of ethepon shorten plant height, accelerate day to flowering faster but delay harvesting time at planting space of 40 cm x 15 cm and 40 cm x 20 cm. Yield components such as number of filled pods per plant and grain yiel per unit area were lower due to application of ethepon for both planting spaces.  The implication drawn from this research was that application of ethepon could not be recommended for soybean. Keywords: soybean, ethepon, planting spaces and production.
THE CHOICE OF SELECTION CRITERIA FOR CHILI (Capsicum annuum L) ASSEMBLY IN PEATLAND Harry Sugestiadi; Nurbaiti '; Deviona '
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The objective of the research was to determine about information the choice ofselection criteria on chile varieties assembly in peatland. The research usedRandomized Block Design (RBD) consisted of 20 treatments with threereplications. The treatment consisted of 20 genotypes of chili that is genotype C2,C120, C51, C111, C105, C117, C118, C157, C159, F5110005-91-13-5,F5110005-91-13-12, F8002005-2-9-12-1, C140, C5, C18, C19, C143, F512005-5-11-1, C145 and C160. The data were analyzed by analysis of variance, furthertest DNMRT at 5% level and Pearson’s correlation. Parameters observed were:the age of flower appearance, height dichotomous, plant height, stem diameter,canopy width, leaf length, leaf width, age of harvest, fruit length, fruit stalklength, fruit diameter, weight per fruit and weight of fruit per plant. The resultsshowed that there is a positive correlation between the parameters of weight perfruit, fruit length, fruit stalk length, leaf width and leaf length to weight of fruit perplant.C143 is a genotype that has the highest value of weight per fruit. GenotypeC111 has the highest value of fruit lenght and fruit stalk length. Genotype C51has the highest value of leaf width and genotype F5110005-91-13-12 has thehighest value of leaf length.Keyword : Chili, Selection, Correlation, Peatland
Ekstrak Aplikasi Pupuk Cair Pelengkap Tithonia Diversifolia Untuk Pertumbuhan dan Produksi Mustard Hijau (Brassica juncea.L) Hasan Asnawi; Armaini '; Nurbaiti '
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The research aims to determine the best  dose of the extract for growth and production Mustard Green ( Brassica juncea.L). The experiments conductedin the Agriculture Faculty, University of Riau from October to December 2011. Research used a completely randomized design with 5 treatments and 4 replications, namely T0: With out giving Tithonia diversifolia extract, T1: 1500 ml/plot, T2: 2000 ml/plot, T3: 2500 ml/plot and T4: 3000ml/plot. Parameters observed that plant height, leaf area, number of leaves, plant fresh weight, plant weight consumed per sample and root volume. The results  showed Tithonia diversifolia extract dose 3000ml/plot is best for the growth and production of  mustard green (Brassica junceae.L). Keywords: Plant Mustard Green, Liquid Fertilizer Complementary, Tithonia diversifolia
Pengaruh Frekuensi Pengendalian Gulma Secara Manual Terhadap Pertumbuhan dan Produksi Padi Sawah (Oryza Sativa L.) Dengan Metode Sri Febby Khoila Winarto; Nurbaiti '; Elza Zuhry
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 1 (2014): Wisuda Februari Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The objective of this research was to find the effect of frequency by manually weeds control for growth and the production of paddy field (Oryza sativa L.) by SRI methode. This research was conducted in Balai Benih Induk Hortikultura at Kaharuddin Nasution street, Padang Marpoyan, Pekanbaru. This research held for 5 months, started in November 2011 until March 2012. This research use Randomized Block Design (RBD) that consists of 4 treatments and 3 replications. These treatments consist of once weeding ( 30 days after planted), twice weeding ( 20, 40 days after planted), third weeding (20, 30, 40 days after planted) and fourth weeding ( 10, 20, 30, 40 days after planted) manually. Parameters measured were plant height (cm), number of maximum nhymps (stem), the outgoing panicles (days), the number of productive tillers (seed), dried milled rice production per clump (g), 1000 seed weight (g). Data was analyzed by analysis of variance and further test by Duncan Multiple Range Test (DNMRT) at the level of 5%.  The research showed that the treatment of frequency by manually weed  control were not significant to all parameters (parameters measured were plant high, number of maximum nhymps, the outgoing panicles, the number of productive tillers, 1000 seed weight ) except in parameter of dried milled rice production per clump and the manually weeding of once frequency (30 days after planted)  has yield 15,2 t/ha. Keyword: Paddy  field, SRI, weed control
APLIKASI PUPUK PELENGKAP CAIR ORGANIK TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN SAWI (brassica juncea L.) Abdi Firmansyah; Nurbaiti '; M. Amrul Khoiri
Jurnal Online Mahasiswa (JOM) Bidang Pertanian Vol 1, No 2 (2014): Wisuda Oktober 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Pertanian

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The study aims to determine the effectiveness of applications of supplemental liquid organic fertilizer and get the best concentration on the growth and yield of mustard (Brassica juncea L.) This research was conducted at the experimental station faculty of agriculture, University of Riau in january to februari 2014. Completely randomized design with 4 treatment and 5 replication use in this experiment. The treatment consisted application of supplemental liquid organic fertilizer with concentration is :P0 : without application of supplemental liquid organic fertilizer, P1 : supplemental liquid organic fertilizer concentration 1 cc/l of water, P2 : supplemental liquid organic fertilizer concentration 2 cc/l of water and P3 : supplemental liquid organic fertilizer concentration 3 cc/l of water. Data were analyzed using analysis of variance and mean separation with Duncan Multiple Range Test at the 5% level. The parameters measured were the plant height, leaf number, leaf area, plant fresh weight and weight of crop suitable for consumption. The results showed that application of supplemental liquid organic fertilizer significantly affected to parameters of plant height, leaf number, leaf area, plant fresh weight and weight of crop suitable for consumption. Application of supplemental liquid organic fertilizer at concentrations 3 cc /l of water is the best concentration for all parameters tested. Keyword : Mustard, liquid organic fertilizer,Growth, Yield
Efek Pemberian Bahan Organik Leguminosa dan Pupuk NPK terhadap Pertumbuhan Nurbaiti '; Anis Tatik Maryani
Jurnal Sagu Vol 6, No 01 (2007)
Publisher : Universitas Riau

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Abstract

The research objective was to evaluate the effect of leguminosa biomass and NPK fertilizer with various doses on the growth of cocoa plant. Research was conducted in the experimental Garden of Riau University, Pekanbaru starting on April 2005 until December 2005. The sampling that had been applied Complete Random Sampling (RAL) factorial. First factor was Biomass which consist of Bengkuang biomass 40 g/polybag (B1) and Biomass sentro 40 g/polybag (B2). Second factor was pearl NPK fertilizer with doses of 15:15:15; those factor were P0: 0 g/polybag, P1: 2 g/polybag, P3: 4 g/polybag, P4: 6 g/polybag. Parameter observed were the characteristic of soil chemistry and biology, seed tall, seed diameter and dry weight. Result of observation show that bengkuang cultivation and sentro could repair the characteristic of soil chemistry. Interaction did not have a significant effect on crop tall, seed diameter and seed dry weight. Combination treatment of bengkuang biomass and sentro and also NPK fertilizer had a significant effect on seed tall crop diameter and seed dry weight, but did not have a significant effect on leaf number. Best treatment combination was bengkuang biomass and NPK pearl manure (B1) with 4 g/polybag dose (P2).
Co-Authors Abdi Firmansyah Aceng Sumpena Anis Tatik Maryani Armaini ' Aslim Rasyad Datik Lestari Deviona ' Elza Zuhry Febby Khoila Winarto Fetmi Silvina Gunawan Tabrani Harry Sugestiadi Hasan Asnawi Laksono Trisnantoro Leonalarisa Sitepu M. Amrul Khoiri Muhammad Nurdiansyah Al Fikri Ninda Sophia Abrina Sitorus Panca Putra S Rahmat Hidayat Riadhos Sholikhin Riki Noviantoni Ruth Patricia Pasaribu Trio Siswanto