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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 32, No 3 (2010)" : 26 Documents clear
Agroforestry Interactions in Rainfed Agriculture: Can Hedgerow Intercropping Systems Sustain Crop Yield on an Ultisol in Lampung (Indonesia)? Suprayogo, Didik; Hairiah, Kurniatun; Van Noordwijk, Meine; Cadisch, Georg
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
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.v32i3.21

Abstract

The productivity of rainfed agriculture land developed on Ultisols is limited by physical and chemical constraints. These problems can be solved and consistently high yields obtained only by the development of comprehensive manage-ment systems. In the 1980s, hedgerow inter-cropping was promoted initially for improving soil fertility and sustainability of crop production on nutrient-depleted soils. However the previous enthusiasm for hedgerow intercropping is unsupported by scientific evidence and its labour demand too high. The question remains, is there a window of opportunity where the biophysical principle of hedgerow intercropping is sound? Research to compare the long-term performance of crops and trees in hedgerow intercropping and monocluture cropping is needed. This research has been conducted at long-term field experiment station at the BMSF-Project, Lampung, Indone-sia. The experiment site had non-nitrogen-fixing peltophorum (PP), nitrogen-fixing gliricidia (GG) and alternate peltophorum and gliricidia (PG) hedgerow intercropping and maize / groundnut monoculture (C) treatments. We concluded that the net interactions related to soil fertility and competition for growth resources in peltophroum were positive for crop yield in PP and PG but negative for GG. Even so, the PP and PG sys-tems resulted in similar yields as monocropping; however, hedgerow intercropping considerably improved soil fertility attributes. Keywords: Agroforestry, crop yield, ultisols, tropics, sustainable
Soil Fertility and Nutrient Management on Spodosol for Oil Palm Antonius Kasno; Djadja Subardja
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
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.v32i3.26

Abstract

The research was carried out in Oil Palm Plantation in Ngabang, Landak Distric, West Kalimantan in May 2008. Composite soil samples were taken from the soils, in which the oil palms indicated the nutrient disorders. The aims of the research were to study the soil fertility and nutrient management of Spodosols for oil palm crops. The results indicated that spodic horizons in the oil palm plantation varied between 30 and 70 cm. Besides spodic horizons, the albic horizon, the horizon that can't be penetrated by the crops root, was also found. The texture is sandy with the sand content about 69-98 %. The soil has acidic properties, C organic varied from low to high, low phosphate, potassium, magnesium and Cation Exchange Capacity. In contrast, in the spodic horizon, the content of organic carbon, total nitrogen and CEC were higher, as well exchangeable Aluminum. There was close relationship between soil organic carbon and nitrogen and CEC in the soil. It is advice not to use spodosols for food crop and estate crops. The application of slow release fertilizers combined with organic fertilizers is highly input when oil palm planted on the Spodosol.Keywords: Spodosols, soil characteristic, oil palm
Distribution of Edibles Wild Taro (Aroid Plant) on The Different Altitude (Shoutern Slope of Wonogiri and Pacitan) Karuniawan Puji Wicaksono; Eko Murniyanto; Nobukazu Nakagoshi
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
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.v32i3.13

Abstract

On the dry region of Wonogiri Regency and Pacitan Regency, in the Central Java and East Java Province's border of Indonesia, there is a potential group of plant which is still disguise from the researcher's attention. These wild edible tuberous plant, were actually have potential source of carbohydrate as an alternative to rice or corn inside the forest system or agro-forestry system. Their minimum maintenance, adaptability to drought and shading make them a potential plant as the staple food for the local people residing inside or in the forest's buffer zone. Wild taro (Aracaceae family) existence in the forest system or agro-forestry might increase the economic sustainability of forest. Using a Randomized block design method on the 5 plots sample located on the Northern slope of Wonogiri dry-land, the density and distribution type of wild taro and taro-like plants were surveyed. There were six genus of wild tuberous plant with 12 identified species and several endemic species identified. Xantosoma sp has the highest population, and generally the aroid plants have clumped distribution. Current situation of economical importance of other commodity and relationship with human agricultural activities may vary the distribution of Taro.Keywords: Edible wild taro, distribution, altitude
Spectral Quality Affects Morphogenesis on Anthurium Plantlet during In Vitro Culture Kurniawan Budiarto
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
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.v32i3.20

Abstract

This paper elucidates the effects of LEDs spectral on callus induction, proliferation and shoot development of anthurium plantlet derived from leaf explants. The research was conducted at the Ornamental Research Station, Fukuyama, Japan from January to August 2008. Three experimental series were designed to determine the effects of LED-based spectral compositions i.e. 100% red, 75% red + 25% blue, 50% red + 50% blue, 25% red + 75% blue and 100% blue LEDs on morphogenetic process of callus formation derived from leaf explants up to plantlet formation on two anthurium cultivars, Violeta and Pink Lady. The results showed no differences among cultivars tested but interaction of factors studied were found in all parameters observed. LEDs spectral gave significant influence on the morphogenetic processes from callus induction to complete plantlet formation. Progressive initial callus was promoted with the decrease of blue LEDs portion. Conversely, to proliferate globose to torpedo callus formation, more blue light was required than red LEDs. During shoot induction and formation, hastened shoot initiation and number of shoots were achieved in higher blue LEDs portions, but not in root formations. Keywords : Anthurium, LEDs spectrals, morpho-genesis, plantlet, in vitro
Virulence of Entomopathogenic Fungus Beauveria Bassiana Isolates to Crocidolomia Pavonana F (Lepidoptera: Crambidae) Trizelia .; Firdos Nurdin
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
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.v32i3.22

Abstract

The purpose of this research was to identify the virulent isolates of Beauveria bassiana (Bals.) Vuill. to larvae of Crocidolomia pavonana (F.) and also to investigate the effects of conidial concentrations on larval mortality of C. pavonana. This experiment was conducted at Laboratory of Biological Control, Plant pest and diseases Department, Faculty of Agriculture, Andalas University from April to October 2008. B. bassiana were collected from insects and soils then cultured using selective medium. Thirteen isolates and four different concentration conidia(106-109 conidia/ml) were tested in the experiment. Larvae directly inoculated with conidial suspensions of entomopathogenic fungus. The results showed at a concentration of 108 conidia/ml, isolate HhTK9 was the most virulent caused 82.50% mortality of 2nd instar larvae, with LT50 3.39 days. The mortality C. pavonana larvae was positively correlated with by fungal isolate and conidial concentration.Keywords: Entomopathogenic, Beauveria bas-siana, virulence, isolates, Croci-dolomia pavonana
Stability and Adaptability of Nine Open Pollinated Varieties of UB Maize Budi Waluyo; Kuswanto .
AGRIVITA, Journal of Agricultural Science Vol 32, No 3 (2010)
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.v32i3.27

Abstract

Open pollinated maize and two check varieties were evaluated in four locations, i.e. Malang, Jombang, Kediri, and Trenggalek regencies for two seasons from March to November 2009. The research objective was to determine stability and adaptability of the open pollinated maize. The experiment was conducted using a randomized complete block design. The treatment had nine lines, i.e. UB4101, UB3101, UB4201, UB7201, UB4202, UB3301, UB4301, UB7301, UB3302 and two check varieties, Bisma and Arjuna. The treatment was repeated three times. Percentage point of variance ratio was applied to determine homogeneity error. Variance analysis of combined experiment was conducted to determine genotype x environment interaction. Yield stability and adaptability were analyzed using Eberhart and Russell linear models. There was genotype x season x location interactions on maize yield. It mean that there were population yield performance changes at different environments. There were four populations have stability point, i.e. UB4101 (5.5 t ha-1), UB3301 (5.7 t ha-1), UB7301 (5.7 t ha-1), and UB3302 (5.4 t ha-1). Population UB4201 (5.1 t ha-1) was adaptable to productive environment, and UB4301 (5.8 t ha-1) was adaptable to marginal ones.Keywords: G x E interaction, stability, adaptation, open pollinated maize variety, UB line

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