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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 934 Documents
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Characteristics of Soil Derived from Ultramafic Rocks for Extensification of Oil Palm in Langgikima, North Konawe, Southeast Sulawesi Tufaila, M.; Sunarminto, Bambang Hendro; Shiddieq, DjaÂ’far; Syukur, Abdul
AGRIVITA, Journal of Agricultural Science Vol 33, No 1 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Oil palm plantation in Langgikima was mostly grown in soils derived from ultramfic rocks which contain low productivity. Therefore, a study was required to determine the charac-teristics of soils evolved from ultramafic rocks evaluated from the aspects of soil formation and classification as well as land suitability for oil palm extensification. Soil observation in field had been carried out in locations of oil palm plantation with slope gradient < 15%, with ultramafic bedrocks (harzburgite, serpentinite, and olivine websterite). Soils from ultramafic rocks were characterized by almost acid to neutral soil reaction, poor nutrient content available (N, P, and K) and exchangeable base cations, with very low to low CEC, low to medium BS, and clay minerals dominated by goethite and magnetite. Soils from harzburgite and serpentinite rocks were classified as Acrustoxic Kanhaplustults while those from olivine websterite rocks were classified as Rhodic Kanhaplustalfs. Nowadays, soils from ultramafic rocks were unsuitable (N2) for oil palm with the very low level of available P as the main limiting factor. Therefore, efforts on soil management were necessary to be performed by adding suitable organic materials and fertilizers based on soil characteristics and crops’ needs.Keywords: soil characteristics, ultramafic rock, oil palm
THE EFFECT OF SILICA AND MANGANESE APLICATION ON RICE GROWTH AND YIELD Timotiwu, Paul Benyamin; Dewi, Maya Maeistia
AGRIVITA, Journal of Agricultural Science Vol 36, No 2 (2014)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The increasing demand of rice each year as the consequences of population growth increases rice production in Indonesia.  The increasing of growth and yield of rice can be achieved through micro elementapplication.  The application of silica and manganese through the leaves can be directly absorbed by the rice plants for growth and photosynthetic process.  It is beneficial to produce a higher rice yield.  This study aimed to determine the effect of the increasing of silica and manganese concentration, and their interaction on plant growth and yield of rice.  The green house research was conducted in the Seed and Plant Breeding Laboratory, Faculty of Agriculture, University of Lampung, June–September 2013.  The treatments were arranged in a 5x2 factorial [five concentrations of Si (0, 50, 100, 150, and 200 ppm), with and without (5ppm) of Mn] in a randomized complete block design (RCBD) with three replication.  Orthogonal contrast and polynomial analyses were used to find the effect of Mn, Si, and their interaction.  The results showed that increasing concentration of Si increased the greenness of leaves, number of productive tillers, weight of dry matter, number of filled grains, and decreased angle of the tiller and number of empty grains.  The application of Mn increased the growth and yield of rice, angle of tiller and number of empty grains.  In addition the effect of Mn was depended on the level of Si concentration.  Application of Mn with increasing Si concentration increased of plant growth and yield of rice.Key words:  rice, silica, manganese
BIOLOGY OF Trissolcus latisulcus Crawford (Hymenoptera: Scelionidae), AN EGG PARASITOID OF Chrysocoris javanus Westw (Hemiptera: Scutelleridae) Adidharma, Damayanti; Ciptadi, Y.D.
AGRIVITA, Journal of Agricultural Science Vol 34, No 3 (2012)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The biology of Trissolcus latisulcus Crawford was studied on eggs of  Chrysocoris javanus Westw (Hemiptera: Scutelleridae) which  is a serious pest of Jatropha curcas L.. The aim of this study was to  investigate the biology of Trissolcus latisulcus  as  a basic knowledge for developing a more suitable biological control programme in controlling the  pest C. javanus. The current laboratory study was designed to evaluate developmental duration from egg to adult of C. javanus under room condition temperature: 28.18 + 0.59°C and RH 56.33 + 4.27%. The results showed that the life cycle of immature T.latisulcus consisted of egg, larva ( three instars) , prepupa, pupa. The longevity period of each stadium was one day, four days, one day, and five days respectively. The development time from egg to adult took 12.66 + 1.22 days for female and 11.91 ± 0.73 days for males.The life time from egg to dead adult was 17.40 + 7.38 days for female and 23.70 ± 9.49 days for males. The egg of T.latisulcus was stalked type, the first instar larva was teleaform type and the third instar larva was hymenopteriform type.   Keywords: Jatropha curcas L, Chrysocoris javanus Westw, Trissolcus latisulcus Crawford ,parasitoid eggs
Abundance of Metioche Vittalicollis ( Orthoptera:Gryllidae) and Natural Enemies in A Rice Agroecosystem as Influenced by Weed Species Karindah, Sri; Yanuwiadi, Bagyo; Sulistyowati, Liliek; Green, Peter T.
AGRIVITA, Journal of Agricultural Science Vol 33, No 2 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Weeds in the rice fields impact the population of M. vittaticollis and several predators on rice habitat. A study was conducted during rainy season 2004-2005 and dry season 2005, which selective weeding and weed strips were applied. In selective weeding, Monochoria vaginalis, Fimbristylis miliacea, Cyperus iria, and Limnocharis flava were left, and made a weed strip at the periphery of rice plot which was consisted of those four species. Clean weeding as farmers usually do was also applied as a control treatment. Results showed that the presence of weed plant species in the earlier planting season of dry season 2005 tended to maintain the population of the predatory insects of rice pests, in particularly M. vittaticollis and Anaxipha longipennis. Population of Ophionea nigrofasciata, Paederus spp. and Micraspis inops were not different among the treatment plots during rainy season (2004-2005) and dry season (2005). The species number of predator and parasitoids seemed to increase slower in the clean weeded plot in comparing with the species number in selectively weeded or weeds strip’s plot at early planting season. Rice yield in the experimental plots were not significantly different. Some weeds in the rice fields may not have adverse effects on rice productivity. Keywords : generalist predator, weeding, predatory cricket
DYNAMIC SYSTEM MODELLING AND LAND SUITABILITY TO DEFINE PRIORITY AREAS OF SOYBEAN PLANTATION IN PADDY FIELDS IN KARAWANG, WEST JAVA Widiatmaka, Widiatmaka; Ambarwulan, Wiwin; Firmansyah, Irman; Munibah, Khursatul; Santoso, Paulus B.K.; Sudarsono, Sudarsono
AGRIVITA, Journal of Agricultural Science Vol 36, No 3 (2014)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

One of the agricultural public commodities in Indonesia which still cannot fulfill its domestic consumption needs is soybean. The objectives of the research, which was conducted in Karawang Regency, West Java, Indonesia, were to: (i) identify the suitable area for soybean plantations in paddy fields, (ii)  assess the development of soybeans in land use and socio-economic context, and (iii) plan the spatially soybean plantation. A soil survey and land evaluation for soybean was completed. IKONOS imagery was applied to delineate paddy fields while a dynamic system modelling was developed using Powersim 8.0 software. The results of the research showed that the suitability class for soybean plantation in the paddy fields of Karawang Regency ranges from unsuitable (N) to suitable (S2), with limiting factors being temperature, fertility, nutrients retention, slope, erosion, rooting media and toxicity. Very limited arable land  has been used so far for soybeans plantations due to low economic returns. The model predicts that, should the development of soybean continues in its business as usual path, a deficit of soybean will occur in 2030. The model provides alternative scenarios to reduce the deficit. Prioritization was done spatially using the suitable land gradually, corresponding to the government budget availability.
SUBSTITUTION OF AMMONIUM SULFATE FERTILIZER ON UPLAND SUGARCANE CULTIVATION AND ITS EFFECTS ON PLANT GROWTH, NUTRIENT CONTENT AND SOIL CHEMICAL PROPERTIES Nurhidayati, Nurhidayati; Basit, Abdul; Sunawan, Sunawan
AGRIVITA, Journal of Agricultural Science Vol 35, No 1 (2013)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The aim of this research was to compare the effect of substitution of Ammonium Sulfate  (AS) fertilizer on sugarcane growth, nutrient content, and soil chemical properties.  This research was conducted on up-land of sugarcane plantation in Tegalweru village, Dau district, Malang regency. This study tested ten treatments consisting of three treatments using AS fertilizer, six treatments using AS substitute fertilizers that used combination of Urea, Gypsum, and bio-compost and one control (no fertilizer). This research used randomized complete block design with three replications. The results showed that the plant growth between the treatment used AS fertilizer and AS substitute was not significantly different. However, the treatment used 400 kg Urea per ha+938 kg Gypsum per ha tended to have the best plant growth and the highest N uptake. For the treatments using AS substitute fertilizer, the higher the application rate was, the higher the soil N and S contents were.  The treatments used AS fertilizer due to lower soil pH than AS substitute fertilizer. Based on this research, it can be concluded that the use of alternative fertilizers as a substitute of the AS fertilizer is recommended to reduce an adverse impact on soil fertility. Keywords: AS fertilizer, AS substitute fertilizer, sugarcane, nutrient content, soil chemical properties
Distribution and Incidence Leaf Diseases of Banana in Several Banana Production Centers in North Sumatra, West Sumatra Bengkulu and West Java Sahlan, Sahlan; Soemargono, A.
AGRIVITA, Journal of Agricultural Science Vol 33, No 2 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

The research was aimed to determine the type, the distribution and the incidence of banana leaf diseases in several production centers in West Sumatra, Bengkulu, North Sumatra and West Java. Direct observations on banana orchards were conducted in some districts in Simalungun, Deli Serdang and Medan (North Sumatra), Tanah Datar, Limapuluh Kota, Agam, Pariaman and Pasaman (West Sumatra), Rejang Lebong and Kepahyang (Bengkulu), Sukabumi, Purwakarta and Subang (West Java) from November to December 2006. Two banana orchards were randomly selected in each district. Plant population at the selected orchard was at least 100 plants. From each sampled orchard, if banana population consisted of similar or only one variety, 10 plants were randomly chosen according to wind direction. Meanwhile, when the banana varieties were varied, five plants were randomly selected. The result showed that Black Sigatoka and Eumusae leaf spot were found in West Sumatra, Bengkulu and North Sumatra at severity level of between 15 % to 62.31%, whilst speckle disease was mainly found in North Sumatra and in parts of West Sumatra at severity level of between 72,72% to 100% and 15 to 30%, respectively. Banana varieties that were primarily attacked by leaf diseases were Cavendish, Telor, Barangan and Emas.Keywords : bananas, black sigatoka, Eumusae, speckle, disease incidence and distribution
GENETIC DIVERSITY OF NATURAL POPULATIONS OF Bactrocera occipitalis (Bezzi) AND B. philippinensis Drew and Hancock (Diptera: Tephritidae) IN SELECTED MANGO PRODUCING AREAS IN THE PHILIPPINES USING MICROSATELLITES Jalani, Grace Sheila; Laude, Rita; Diaz, Maria Genaleen; Medina, Celia; Velasco, Luis Rey
AGRIVITA, Journal of Agricultural Science Vol 36, No 3 (2014)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Using nine microsatellite loci, the genetic diversity of natural populations of Bactrocera occipitalis and B. philippinensis was investigated. Estimates of genetic diversity based on allele number (na and ne), heterozygosity (Ho and He) and Shannon information index (I) revealed that the Cavite population was the most genetically diverse (na = 18.56; ne = 12.88; Ho = 0.58; He = 0.89; I = 2.55) and Pangasinan was the least (na = 7.89; ne = 8.94; Ho = 0.34; He = 0.87; I = 2.31). Among groups, the intermediates were the most genetically diverse (na = 25.44; ne = 15.30; Ho = 0.52; He = 0.92; I = 2.85) and B. philippinensis was the least (na = 17.44; Ho = 0.44; He = 0.90; I = 2.54).  A low level of genetic diversity was detected among populations. Pangansinan and Palawan populations were the most related while Palawan and Guimaras populations were the least. Among groups, B. occipitalis and intermediates were the most related while B. occipitalis and B. philippinesis were the least. Dendrogram analysis indicated that B. occipitalis, B. philippinensis, and intermediates are not genetically distinct from each other.
EFFECT OF ”KOMBA-KOMBA” PRUNING COMPOST AND PLANTING TIME OF MUNGBEAN IN INTERCROPPING WITH MAIZE ON YIELD AND SOIL FAUNA Sabaruddin, Laode; Kilowasid, Laode Muhammad Harjoni; Syaf, Hasbullah
AGRIVITA, Journal of Agricultural Science Vol 35, No 1 (2013)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Soil fauna plays an important role in decomposition and nutrient mineralization. The objective of this research was to study the effect of "komba-komba" compost and planting time of mungbean intercropped with maize on yield and soil fauna. The research was conducted in research station of Agricultural Faculty, Haluoleo University. The experiment was laid out using split plot design with two factors ("komba-komba" compost and planting time of mungbean intercropped with maize). The result indicated that the highest net assimilation rate (NAR) of mungbean 5.78 g per cm2 per week was obtained in the komba-komba compost 10 ton per ha  with planting time of mungbean at 14 days after planting (DAP) maize whereas NAR of maize 5.50 g per cm2 per week was obtained in the planting time of mungbean at 14  DAP maize. Coleoptera and Hymenoptera (Formicidae) were dominant and Shannons diversity index ranged between 0.32 and 1.28. LER values tended to increase with the addition of "komba-komba" compost in soil and time variation of planting mungbean intercropped with maize. The relation between Shannons diversity and LER values was variable. Keywords: soil fauna, compost, intercro-pping, planting time, assimilation, LER
About Us Trisnadi, Rizki
AGRIVITA, Journal of Agricultural Science Vol 33, No 2 (2011)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

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