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AGRIVITA, Journal of Agricultural Science
Published by Universitas Brawijaya
ISSN : 01260537     EISSN : 24778516     DOI : https://doi.org/10.17503
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
AGRIVITA Journal of Agricultural Science is a peer-reviewed, scientific journal published by Faculty of Agriculture Universitas Brawijaya Indonesia in collaboration with Indonesian Agronomy Association (PERAGI). The aims of the journal are to publish and disseminate high quality, original research papers and article review in plant science i.e. agronomy, horticulture, plant breeding, soil sciences, plant protection and other pertinent field related to plant production. AGRIVITA is published three times per year. The Journal has been indexed in SCOPUS, Scimago Journal Ranks (SJR), Emerging Source Citation Index ( ESCI-Web of Science), EBSCO, ProQuest, Google Scholar and others international indexing. AGRIVITA is accredited first grade (Sinta 1/S1) for five years (2018-2023) based on Decree No: 30/E/KPT/2018 by Ministry of Research, Technology and Higher Education (Ristek Dikti), The Republic of Indonesia. We accept submission from all over the world. All submitted articles shall never been published elsewhere, original and not under consideration for other publication.
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Articles 26 Documents
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Search results for , issue "Vol 35, No 3 (2013)" : 26 Documents clear
SPECTRAL CHARACTERISTICS OF HIGH-YIELDING VARIETIES OF RICE PLANTS USING LANDSAT 8 DATA Dewi, Candra; Supianto, Ahmad Afif; Sutrisno, Sutrisno
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v35i3.340

Abstract

In applying remote sensing technology for inventory, evaluation and estimation of rice crop production, required the data of spectral characteristics changing of the plants during its growth phase. By identifying spectral characteristics, it will be recognized the objects in the images. This study identifies the spectral characteristics of high-yielding varieties of rice plants during their growth in Malang regency. Based on the results of field survey, the high yielding varieties that are commonly planted consist of IR64, Ciherang and Membramo. Then, from the identification of vegetation index is known that all these three varieties have different growth patterns, where the most distinct pattern found in IR64.
THE POTENTIAL OF RUBBER AGROFORESTRY FOR RATTAN (Calamus sp) CULTIVATION IN KATINGAN REGENCY: DIVERSITY OF CLIMBING TREES FOR RATTAN Rotinsulu, Johanna Maria; Suprayogo, Didik; Guritno, Bambang; Hairiah, Kurniatun
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v35i3.356

Abstract

This research aims to evaluate the diversity of climbing trees for rattan in agroforestry system. The result of this research is expected to be applied as the standard to improve the management in rattan agroforestry. The research was conducted from June to December 2011 in three different villages: Kalemei, Hiran and Liting in Katingan regency, Central Kalimantan. The data were collected via purposive sampling in two different types of land cover i.e rubber agroforestry (RA) and secondary forest (SF), each of system  had 6 plots and 18 sub-plots of experiment. The evaluation of species diversity was performed by measuring species richness, Importance Value Index, and Diversity Index. Statistic model was constructed by employing the approach in multivariate analysis and cluster analysis. The results indicated that SF had higher species diversity (3.02 – 3.45). The diversity level of RA was higher in Hiran village (3.96), than in the other two villages (<3.0).  Habitat similarity was characterised by the similar composition and structure of vegetation of both SF and RA in Hiran and Kalemei, but not in Liting. The potential of supporting trees for rattan in RA is rather high as shown by high species density and the presence of trees with high wood density (0.75-0.9g cm-3) to extremely high (>0.9g cm-3) as it found in SF.Keywords: Rattan, rubber agroforestry, climbing trees for rattan, secondary forest
THE CURCUMIN CONTENT OF TEMULAWAK(Curcuma xanthorriza Roxb.) RHIZOME AS AFFECTED BY N, K AND MICRONUTRIENTS B, Fe, Zn Ellis Nihayati; Tatik Wardiyati; Rurini Retnowati; Soemarno Soemarno
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v35i3.210

Abstract

A polybag experiment to study the influence of N, K, and micronutrients B, Fe, Zn and the curcumin content in temulawak was conducted in Malang from February – September 2012. Using RBD, 8 treatments (P1  Inseptisol, without fertilizer, P2  Inseptisol  300 urea kg.ha-1, P3  Inseptisol  200 KCl kg.ha-1, P4  Inseptisol  300 kg.ha-1and 200 kg.ha-1 urea and KCl, P5  Alfisol, without fertilizer, P6  Alfisol  300 urea kg.ha-1, P7  Alfisol  200 KCl kg.ha-1, P8  Alfisol  300 kg.ha-1 and 200 kg.ha-1 urea and KCl in 3 replications. The micronutrients in vitro applied RCD by 4 treatments (MS medium, MS without B, Fe and Zn) in 10 replications. The results of experiment showed that dry weight of rhizome per plant in Inseptisol and Alfisol is 30.98 and 9.75 g, content of curcumin 6 month after planting was 3.60 and 4.72%. The highest rhizome weight of 8 months after planting was a combination of N and K of Inseptisol (48.28) and Alfisol (35.75 g per plant).The highest content of curcumin 6 months after planting was on Alfisol (7.99%) and Inseptisol (6.7%) by 200 KCl kg.ha-1.The curcumin content in complete media was higher than that without B, Fe and Zn i.e. 6.26 compared with 1.86–2.39%. Keywords : temulawak (Curcuma xanthorriza Roxb. Synm. Curcuma javanica), N, K, B, Fe, Zn, curcumin content
PRODUCTION AND POTENCY OF LOCAL RAMBUTAN AT EAST JAVA AS A CANDIDATE PHYTOPHARMACA Sri Rahayu Lestari; Muhammad Sasmito Djati; Ahmad Rudijanto; Fatchiyah Fatchiyah
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v35i3.390

Abstract

Rambutan is a tropical fruit that grow well in Indonesia and the peel is considered as waste. Many researchers’ showed that rambutan peel contains polyphenol that could be expected to avoid obesity.  The objective of this study was to explore the increasing production of local rambutan and to identify the promising phytochemical compounds on its peel as phytopharmaca candidate against obesity. Survey was conducted on the production of rambutan, potential plantation area, and marketing. Sample of rambutan peel collected from the sub-district Kanigoro, Blitar. Phytochemical compounds were analyzed using TLC, HPLC and FT-IR. Bioassay analysis used obesity rat models. The survey result showed a mean of rambutan production increased 2,6% in 2007-2012. Average production of rambutan 70-120 kg/tree. Vegetative multiplication usually done to maintenance of rambutan quality. The main compound of  Rambutan peel  extract (RPE) is flavonoids, tannins, ellagic acid and the major functional group of CH3, aliphatic CH3, and C=O. These compounds have a potential activity against obesity.  RPE 30 mg/kgBW dose was significantly inhibit the weight gain of obese rats and reducing the adipocyte size (p<0.05).Key words: potency, production, local rambutan, blitar, obesity
THE USE OF BIOCHAR FOR IMPROVE SOIL PROPERTIES AND GROWTH OF PADDY IN PEATLAND Eni Maftuah; Linda Indrayati
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v35i3.323

Abstract

The main constraint in the management of peatlands include: high soil acidity, very low of nutrient availability  especially NPK. The  study aimed to determine the role of biochar to improve soil properties and paddy growth in peatlands. The study  conducted in  Landasan Ulin rural, Gambut district,   Banjar regency, South Kalimantan. The study was conducted from June to October 2012. Research arranged in a randomized block design, with three replications. The treatment given was a combination of the type and dose of ameliorant i.e. the 3 types of ameliorant: F1 (50% purun tikus grass + 50%  agricultural weed), F2 (16.7% chicken manure + biochar 83.3%), F3 (9% chicken manure + 91% purun tikus grass), with a dose of 2.5, 5 and 7.5 t ha-1 and control. The results showed that treatment of biochar could to increase soil pH, total N, and exchangable P (Bray I) though not significant, and significant  in increasing the exchangable K compared to controls. On the growth of rice plants giving biochar can increase plant height, number of tillers and number of panicles compared to controls. Key words: biochar, improve of soil properties, peat, growth, paddy
AR4-50 MODEL, THE EXTRACTOR OF SPECTRAL VALUES INTO REMOTE SENSING IMAGE DATA-BASED LAND USE CLASS Akhbar Akhbar; Muhammad Basir; Bunga Elim Somba; Golar Golar
AGRIVITA, Journal of Agricultural Science Vol 35, No 3 (2013)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v35i3.313

Abstract

This study attempted to develop an extraction model of spectral values ​​of land objects into land use/land cover classes on remote sensing image in the provision of land database for planning, evaluation, and monitoring in agriculture and forestry. This study employed an Isodata method and Knowledge-Based Systems (KBS) using the Landsat 7 ETM+ image in the coverage area of ​​117,799.06 ha, and the SPOT 5 XS image in the coverage area of ​​113,241.37 ha in Palu, Sigi and Donggala. The study found two image models labelled as AR4-50 and SBP-AR4-50. The separability image AR4-50 model has an average capability for separating land object pixels which are statistically 1811.98 to 1972.08 (moderate-good), with the class accuracy of land use/land cover using the image homogeneity model of SBP-AR4-50, which is totally (confusion matrix) 72.15% -87.17%, the accuracy level of land map generator for agricultural land/forestry is in good-excellent category on the Landsat 7 ETM+ and SPOT 5 XS images. Keywords: Image, Class, Land Use, Model, Separability, Homogeneity.

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