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Nur Rochman
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Veterinary

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PERTUMBUHAN, PRODUKSI DAN KUALITAS BAYAM (Amaranthus tricolor L.) PADA BERBAGAI DOSIS PUPUK KANDANG AYAM DAN KALIUM NIITRAT (KNO3) Dwi Zuryanti; Arifah Rahayu; Nur Rochman
JURNAL AGRONIDA Vol. 2 No. 2 (2016)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (507.145 KB) | DOI: 10.30997/jag.v2i2.995

Abstract

The study was aimed at assessing the growth, production, and quality of spinach (Amaranthus tricolor L.) given various rates of chicken manure and potassium nitrate (KNO3). A completely randomized design with two factors was used. The first factor was levels of chicken manure, namely 0 g, 50 g, 100 g, and 150 g per polybag. The second factor was levels of potassium nitrate (KNO3) fertilizer, namely 0 g, 0.25 g, 0.5 g, and 0.75 g per polybag.  Results showed that chicken manure application significantly affected plant height on 14 days after planting (DAP) and number of leaves on 14 and 21 DAP. Potassium nitrate application  gave significant effects on number of leaves on 21 DAP. Chlorophyl content of spinach leaves given by 150 g chicken manure per polybag increase at low dosage of KNO3 (0.25 g per polybag). Combination treatment of 150 g chicken manure and 0.75 g KNO3 fertilizer per polybag gave better effects on biomass fresh weight, shoot dry weight, and  root dry weight than other treatment combinations.Key words: number of leaves, biomass fresh weight, chlorophyll content
FERTILIZER GIVING EFFECT OF BIOLOGICAL AND CALCIUM ON THE GROWTH AND PRODUCTION PLANT BEAN (Phaseolus vulgaris L.) Indra Rohman Mutaqin; Oktavianus Lumban Tobing; Nur Rochman
JURNAL AGRONIDA Vol. 3 No. 2 (2017)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (696.407 KB) | DOI: 10.30997/jag.v3i2.1052

Abstract

This study aims to obtain a doses of biological fertilizer and calcium doses that gives the best effect on the growth and production of beans (Phaseolus vulgaris L.) upright type. This experiment was carried out from February until April 2014, at the experimental field of Depatment of Agrotechnology, University of Djuanda Bogor. The experimental design used is a factorial completely randomized design with 5x3 treatments and 3 replications. The first factor biofertilizers (rich bio), A0: control (without biofertilizer), A1: Biological Fertilizer doses of 10 kg / ha, A2: biological fertilizer doses of 20 kg / ha, A3: biological fertilizer dose of 30 kg / ha, A4: microbial doses (as recommended), while the second factor doses of dolomite (CaMg (CO3) 2) consists of: B0: 0 ton / ha (without calcium), B1: 2 tons / ha, B2: 4 tons / ha. The results showed a doses of calcium 4 tons / ha showed a better response in plant height (2 weeks after plant) and the weight of the third harvest pod. Provision of calcium which is accompanied by adequate dosage of biological fertilizer can increase the wet weight and dry weight of stover.  Keywords: bean seed upright type, dosage biological fertilizer, calcium
Response of Sweet Corn Plants (Zea mays saccharata L.) Affected the Aplication of Biological Liquid Compound Fertilizer and Synthetic Fertilizer N, P and K Arifah Rahayu; Nur Rochman; Nurfitri Dwi Lestari; Karlin Agustina
JURNAL AGRONIDA Vol. 4 No. 1 (2018)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (463.723 KB) | DOI: 10.30997/jag.v4i1.1526

Abstract

This study was aimed at assessing the response of sweetcorn plant on various dosages ofbiofertilizer and synthetic (N, P and K) fertilizer. The study was done in May to September 2014 atthe Agrotechnology Trial Farm of Djuanda University. A factorial completely randomized designwas used. The first and second factor were biofertilizer and synthetic fertilizer dosage (0%, 50 %,100% and 150% R/Recommendation). Results showed that adding biofertilizer and syntheticfertilizer until 100% R increased leaf area, length and weight of ear, root and biomass weight andTSS (total soluble solids) content. At various level of biofertilizer, increasing synthetic fertilizerdosages until 100% R could improve plant height, leaves and root number, stem girth, ear lengthand accelerate growing of staminate and pistillate. Meanwhile at various degree of syntheticfertilizer dosage, raising bofertilizer dosage until 150% R tend to higher plant height, and until100% R caused stem girth and root length greater, but delayed staminate and pistillate growth.Application of biofertlizer and synthetic fertilizer tend to increasing pH and cation exchangecapacity of growth medium.Keywords: weight of ear, pH, cation enxchange capacity
The Insecticide Toxicity and Repelling Ability of Jeruk Purut (Citrus hystrix D.C) Leaf Extract on Maize Weevil (Sitophilus zeamais Motsch) Alfia Wulansari; Nur Rochman; Setyono Setyono
JURNAL AGRONIDA Vol. 5 No. 1 (2019)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1035.216 KB) | DOI: 10.30997/jag.v5i1.1849

Abstract

Sitophilus zeamais Motsch. is a primary storage insect pest damaging maize grains. Control of S. zeamais can be done by applying biopesticide. This study was aimed at assessing the ability of Jeruk Purut leaf extract, as biopesticide, to kill and repel Sitophilus zeamais Motsch. The study was conducted at Entomology Laboratory, Seameo Biotrop in March to August 2018. A completely randomized design with three replicates in each rate of Jeruk Purut leaf extract was used. In preliminary pesticide toxicity experiment, five rates of Jeruk Purut leaf extract, namely 0%, 2%, 4%, 6%, and 8% were applied. In preliminary repelling ability experiment, five rates of Jeruk Purut leaf extract, namely 1%, 2%, 4%, 6%, and 8% were applied. In the main pesticide toxicity and repelling ability trial, five rates of Jeruk Purut leaf extract, namely 3%, 6%, 9%, 12%, and 15% were applied. Results showed that in 24 hour after treating (HAT) no significant effects were found. Significant effects of Jeruk Purut leaf extract as insecticide on S. zeamais were found in 48 and 72 HAT. The highest mortality rate (82.2%) of S. zeamais was found in 15% rate of Jeruk Purut leaf extract in 72 HAT. The application of Jeruk Purut leaf extract was not found to give significant effects on repelling S. zeamais in 24, 48, and 72 HAT as indicated in their sharply fluctuating repellent values. The highest repelling ability (95%) was found in the application of 9% Jeruk Purut leaf extract in 24 HAT. It was concluded that Jeruk Purut leaf extract was more potential as insecticide repellent for Sitophilus zeamais Motsch. Key words: biopesticide, repellent, insecticide, maize, primary storage insect pest
RESPON PERTUMBUHAN AKSESI KEMANGI PADA BERBAGAI KOMPOSISI PUPUK NITROGEN ALAMI Arifah Rahayu; Wini Nahraeni; Nur Rochman; Arif Faturrochman
JURNAL AGRONIDA Vol. 5 No. 2 (2019)
Publisher : Universitas Djuanda Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.863 KB) | DOI: 10.30997/jag.v5i2.2314

Abstract

Basil is not only useful as a vegetable, but also has many medicinal properties. This encourages thedevelopment of environmentally friendly basil cultivation, through the use of natural fertilizers.This study aims to determine the response of various basil accessions to the composition of sourceN fertilizer derived from cow urine, kipahit (Tithonia) compost and Urea. The study was conductedwith a factorial completely randomized design. The first factor is the accession of basil, namelyKemang, Ciaruten, Cijujug and Gasol. The second factor is the combination of N fertilizer (10levels), namely 100% N-Urea, 100% N- cow urine, 100% N-kipahit, 75% N-Urea + 25% N- cowurine, 75% N-Urea + 25 % N-kipahit, 50% N-Urea + 50% N-urine cow, 50% N-Urea + 50%kipahit, 25% N-Urea + 75% N-cow urine, 25% N-Urea + 75% N - kipahit, 0% N-Urea + 0% Ncow urine + 0% N-kipahit. The dosage of N fertilizer used is 150 kg N ha-1. The results showedthat the accession of basil which showed good growth and production was 'Ciaruten' and 'Gasol'.The application of Urea fertilizer composition with kipahit compost and Urea with cow urineproduces better growth and production compared to the use of Urea fertilizer or organic fertilizerseparately.Keywords: basil, cow urine, kipahit compost
PENGARUH KUALITAS PRODUK,KUALITAS PELAYANAN DAN PROMOSI PADA UNICCRAB SEAFOOD MALANG TERHADAP KEPUASAN KONSUMEN (Studi Kasus Pada Konsumen Uniccrab Seafood Soekarno Hatta Malang) Nur Rochman; M. Hufron; Siti Asiyah
E-JRM : Elektronik Jurnal Riset Manajemen eJrm Vol 09 No 18 Agustus 2020
Publisher : UNIVERSITAS ISLAM MALANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (269.608 KB)

Abstract

ABSTRACTThis research was conducted at Malang Uniccrab Seafood Restaurant in Lowokwaru District, Malang City. This type of research used in this research is quantitative research. The purpose of this study was to determine the effect of product quality, service quality, promotion on customer satisfaction. The variables of product quality, service quality, promotion, while the dependent variable is customer satisfaction. The sample used in this study was 100 respondents who made food purchases at Seafood Uniccrab Malang. Data collection techniques using a questionnaire. The analytical method used is the validity test, reliability test, normality test, classic assumption test, hypothesis test, determination test with the help of SPSS software. The results showed that the variables of product quality, service quality, promotion partially and simultaneously had a positive and significant effect on customer satisfaction. Keywords: customer satisfaction, product quality, service quality, promotion
Potensi Elisitor dan KNO3- terhadap Pertumbuhan, Produksi, serta Kualitas Edamame (Glycine Max (L.) Merr) Riski Hartani Pandiangan; Nani Yulianti; Nur Rochman
Jurnal Pertanian Vol. 15 No. 1 (2024): APRIL
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jp.v15i1.12688

Abstract

Upaya peningkatan pertumbuhan, produksi dan kualitas edamame perlu memperhatikan aspek hama dan penyakit serta unsur hara yang dibutuhkan tanaman edamame. Penelitian ini bertujuan untuk mengetahui potensi elisitor dan KNO3- terhadap pertumbuhan, produksi dan kualitas edamame (Glycine max (L.) Merr). Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) faktorial yang terdiri atas dua faktor, yaitu konsentrasi elisitor dan KNO3. Elisitor terdiri atas 5 taraf, yaitu E0 (0 ml/l), E1 (10 ml/l), E2 (20 ml/l), E3 (30 ml/l) dan E4 (40 ml/l). KNO3- terdiri atas 5 taraf, yaitu K0 (0g/l), K1 (2g/l), K2 (4g/l), K3 (6g/l) dan K4 (8g/l). Hasil penelitian ini menunjukkan bahwa pemberian elisitor tidak berpengaruh terhadap semua peubah yang diamati. Pemberian konsentrasi 8 g/l KNO3- meningkatkan diameter batang, luas daun, bobot kering tajuk, jumlah bintil akar dan kadar kemanisan pada tanaman edamame dibandingkan dengan perlakuan konsentrasi KNO3- lainnya.
Co-Authors Alfia Wulansari Arif Faturrochman Arifah Rahayu Daden Sukarta Dwi Zuryanti Hardiansah Hardiansah Hendi Supriatna Indah Pratiwi Indra Rohman Mutaqin Josua Crystovel Pangihutan Karlin Agustina M. Hufron Marinus Gobai Nani Yulianti Nurfitri Dwi Lestari Octavianus Lumban Tobing Oktavianus Lumban Tobing Rapilah Rapilah Riski Hartani Pandiangan Saptaji Saptaji Septari Permata Dewi Setyono Setyono Siti Asiyah Wini Nahraeni Yanyan Mulyaningsih