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Dr. Ir. Endang Yuniastuti, M. Si.
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Agrosains: Jurnal Penelitian Agronomi
Published by Universitas Sebelas Maret
ISSN : 14115786     EISSN : 26557339     DOI : https://doi.org/10.20961/agsjpa
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agrosains: Jurnal Penelitian Agronomi publishes articles related to agriculture such as plant physiology, crop production, physiology and seed production, soil science, plant breeding, plant protection, agro-climatology, agroecology, and plant biotechnology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 12 Documents
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Search results for , issue "Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi" : 12 Documents clear
Front Matter Agrosains : Jurnal Penelitian Agronomi Vol 22 No 2 Th 2020 Desy Setyaningrum
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.44666

Abstract

Efek Perubahan Kondisi Fisik Benih Kopi Terhadap Konsentrasi Hormon Giberellin (GA3) dan Perendaman Suhu Air yang Berbeda Suhendra, Dede; Efendi, Siska; Anwar, Aswaldi
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.44205

Abstract

The propagation plants coffee is carried out in generative manner and needs be optimized with treating gibberellin hormone and water temperature in germination stage of coffee seeds. This research aimed to know the effects of changes in the physical condition of coffee seeds with concentration of gibberellin hormone (GA3) and different water temperatures. This research conducted at the Seed Technology Laboratory Faculty Agiculture, Andalas University from July to September 2020. The method used was Randomized Complete Design with 3 replications. The parameters observed were seed weight early (g), seed weight after treatment (g), seed moisture content early (%), moisture content seed after treatment (%) and membrane leakage (μmhos). Results showed that 200 ppm of gibberellin hormone concentration can increase weight of seed after treatment with 4.28 g. The best seed moisture content was at 90°C water immersion temperature with 48.28%.
Pemberian Beberapa Jenis Biochar Terhadap C-Organik dan N-Total Pada Pertumbuhan Bibit Kelapa Sawit Ingrid Ovie Yosephine; Sakiah Sakiah; Erpands Abdi Lestari Siahaan
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.42154

Abstract

Vegetative growth response of palm oil DxP Dumpy variety using biochar rice husks, oil palm shells, corncobs and coconut shells in the Main Nursery, aims to determine the effect of the administration of several types of biochar on increasing C-organic and N-total in ultisol in the main nursery of oil palm plants. This research has been carried out at the Agricultural Agribusiness College of Agriculture Practices (STIPAP) Medan and soil analysis was carried out at the Asian Agri Laboratory, starting in March-August 2019. The method used was Randomized Group Design (RBD) non factorial with 3 replications, while the treatment factors used were B0 (NPK Compound), B1 Biochar Rice Husk (50 g/polybag), B2 Biochar Palm Oil Shell (50 g/polybag), B3 Biochar Corn Cobs (50 g/polybag), B4 Coconut Shell Biochar (50 g/polybag). The parameters observed were plant height (cm), girth (cm), number of leaves (strands), root wet weight (gr), root dry weight (gr) and pH, C-organik, and N-total soil. The results showed that the biochar treatment of rice husks, palm shells, corncobs and coconut shells had no significant effect on the observed parameters such as plant height, girth, number of leaves (strand, wet weight of roots and root dry weight, pH and N-total soil, but have a very significant effect on the increase in C-organic soil.
Back Matter Agrosains : Jurnal Penelitian Agronomi Vol 22 No 2 Th 2020 Desy Setyaningrum
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.44667

Abstract

Induksi Mutasi Kara Benguk (Mucuna pruriens L.) Menggunakan Iradiasi Sinar Gamma Siti Hartati Yusida Saragih; Khairul Rizal; Kamsia Dorliana Sitanggang
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.44151

Abstract

Breeding kara benguk with mutation induction techniques using gamma ray radiation is expected to produce genetic diversity. The purpose of the study is to determine the value of Lethal Dose 50 (LD50) and obtain the genetic diversity of the kara benguk plant. The research was conducted at PAIR BATAN and Agrotechnology experiment, Universitas Labuhanbatu from May-July 2020. The planting material used was kara benguk seeds. The method used was Randomized Complete Group Design (RCGD) with one factor which was dose of irradiation with six levels (0, 200, 250, 300, 350 and 400 Gy) and three replications. Each replication consisted of 20 plants, so there are a total of 360 experimental plants. The results showed that the value of LD50 kara benguk in 3 weeks after planting was 281,472 Gy. Gamma ray irradiation increases the high genetic diversity of plants and the number of leaves at a dose of 350 Gy.
Variabilitas dan Korelasi Genotipik dan Fenotipik 10 Genotipe Tanaman Nilam Resti Wahyu; M Tahir; Indrawati Wiwik
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.34644

Abstract

Patchouli Aceh Lhokseumawe is a patchouli that has a high oil content.  However, the Lhokseumawe species have narrow plant genetic variation due to vegetative propagation. This study aims to analysis broad genetic variability and phenotypes, correlation between growth character and strong yield character to help selection in plant breeding.  The research was conducted at experimental field of the Politeknik Negeri Lampung in April until October 2018.  The research used Randomized Block Design (RBD) with 10 genotype and 3 replications.  Analysis of the data used is ANOVA, if significantly different followed by the LSI 5%, then using variability genotype and phenotype and t test. The result showed that NPL 1 had a better appearance than the Lhokseumawe (local) genotype in the LSI 5%.  Extensive genotype variability was found ini g/plant dry weight character and ton/ha dry terna production, broad phenotype variability was found in all observed characters.  High heritability is found in the characters of stem diameter, wet weight, dry weight, and production of dry ton/ha. Significantly positive phenotypic correlations that have high oil yield are characterized by the characteristics of dry weight, ton/ha dry cattle production, wet weight, and harvest index. Positive genotypic correlations were evident between growth and yield characters, namely the oil yield with leaf length, and leaf width.
Aplikasi Polyhalite sebagai Pengganti ZK dan Pengaruhnya terhadap Kadar K, Mg, dan S Daun, Produksi, dan Mutu Buah Jeruk Siam Sutopo Sutopo; Titistyas Gusti Aji
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.44249

Abstract

As a natural mineral that contains several macro elements, polyhalite (K2Ca2Mg (SO4) 4H2O) has good potential as a fertilizer. This study aims to study the effect of polyhalite on branch growth, leaf nutrition (K, Mg and S), chlorophyll index, harvest weight, fruit quality, and the effective dose of Siam citrus. A 4-year-old Siam citrus planted on vertisol soil was treated with 6 fertilizer treatments: 625; 1,000; 1,375; 1,750; 2.125 kg polyhalite and 625 kg ZK/hectare/year. The experiment using a randomized block design was repeated 3 times. The results showed thatthe application of polyhalite at the same K2O dose as ZK increased leaf Mg content, chlorophyll index and total juicesolids significantly. Polyhalite application of 1,750 kg/hectare (2.8 kg/tree) is an effective dose for mature Siam citrus in vertisol with moderate K status and high Ca and Mg status.
Dosis dan Waktu Aplikasi Boron Terhadap Pertumbuhan dan Hasil Kacang Hijau Krisna Cahya Nurani; Susilo Budiyanto; Endang Dwi Purbajanti
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.42058

Abstract

Green beans are legume plants that are in great demand because of their high nutrition content and include plants that require boron to support growth from the vegetative to generative phase. The study aims to assess the growth and production of green beans due to influence of the dose and time of boron application. The research was carried out using completely randomized design with factorial pattern 3×3 with 3 replications. The first factor was the treatment of boron doses of 1, 1.5, and 2 kg/ha was given once at 7 Day After Planting (DAP), fertilizer application twice at 7 and 28 DAP, and once given at 28 DAP. The results showed that dose of boron at a dose of 1 kg/ha was able to produce the number of affective root nodules and the best pod weight. The treatment of boron once at 7 DAP can increase plant height, flowering age, pod weight, and seed weight per pod. The interaction between dose and time of boron application affects the number of affective root nodules and seed weight per pod.
Organic Fertilizer Improve the Growth, Physiological Characters and Yield of Pak Choy Endang Dwi Purbajanti; Susi Setyawati
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.43112

Abstract

Organic fertilizer expected increase number of growth and yield of pak choy. This research aims to study the influence of solid organic fertilizer and liquid organic fertilizer on growth, physiological characters, and yield of pak choy. The method used was Randomized Complete Design and three replications. The parameters observed were number of leaves, leaf area, chlorophyll content, Nitrate Reductase (NR), yield and harvest index. The result showed that the highest leaf number with 13.3 leaves was achieved by combination of SOF 20 t.ha-1 and LOF 3 times a week.  The largest leaf area was 208.44 cm2due to the application of Solid Organic Fertilizer 20 t.ha-1.The largest chlorophyll content was 0.84 mg.g-1 due to the combination treatment of SOF 20 t.ha-1 and LOF 3 times a week.  The largest NR of Pak choy is 3.51 µ mol NO2.hr-1 due to the combination treatment of SOF 20 t.ha -1 and LOF 3 times a week. The highest yields of pak choy is 29.79 kg.plot-1 is due to combination treatment SOF of 20 t.ha -1 and LOF 3 times a week, the highest harvest index was 94.6% due to combination treatment of SOF 20 t.ha -1 and LOF 3 times a week.
Pertumbuhan dan Hasil Tanaman Pakchoy Pada Tanah Berpasir Dengan Pemberian Biochar dan Pupuk Kandang Sapi Eva Aprilia Saesarini Pangaribuan; Adriani Darmawati; Susilo Budiyanto
Agrosains : Jurnal Penelitian Agronomi Vol 22, No 2 (2020): Agrosains : Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v22i2.42093

Abstract

Sandy soil is very difficult to remain the water and nutrients so that leaching often occurs before nutrients absorbed by the roots. It can be happen because sandy soil has many macro pores in the soil. This research was aimed to study the effect of biochar and cow manure fertilizer for growth and products of Brassica rapa L. plants on sandy soil. The method used was factorial completely randomized design with 2 factors. This first factor was type of biochar (paddy husk biochar and corn cobs biochar) and the second factor was dosage of cow manure fertilizer (5 tons/ha, 10 tons/ha, 15 tons/ha, 20 tons/ha, 25 tons/ha). The result showed that the application of cow manure fertilizer had significant effected on bulk density and soil porosity. The interaction between the type of biochar and dosage of cow manure fertilizer had significant effect on ground water content. The application of biochar and high doses of cow manure fertilizer resulted in increased ground water content on sandy soil.  The type of biochar and dosage of cow manure fertilizer had no significant effect on the nitrogen uptake, plant height, number of leaves, and crown fresh weight.

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