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Jurnal Ilmu Pertanian Indonesia

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Published by Institut Pertanian Bogor

ISSN : 08534217 EISSN : 24433462 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Artikel yang dimuat meliputi hasil-hasil penelitian, analisis kebijakan, dan opini-opini yang berhubungan dengan pertanian dalam arti luas, seperti agronomi, ilmu tanah, hama dan penyakit tanamam, ilmu kehewanan, kedokteran veteriner, keteknikan pertanian, teknologi industri, teknologi pangan, ilmu gizi, keluarga dan konsumen, biometri, biologi, klimatologi, peternakan perikanan, kelautan, kehutanan, dan sosial-ekonomi pertanian yang telah dipertimbangkan dan disetujui oleh Dewan Editor. Keterangan mengenai peralatan, pengamatan, dan teknik percobaan akan diterima sebagai artikel CATATAN. Pedoman Penulisan dicantumkan pada setiap terbitan tercetak. Indeks Penulisan dan subjek serta daftar penelaan (mitra bestari) dicantumkan di tiap nomor terakhir pada setiap volume.

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Articles 975 Documents

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Aktivitas dan Perilaku Pasangan Owa Jawa (Hylobates moloch) di Javan Gibbon Centre Muhamad Ilham; Dyah Perwitasari Farajallah; Entang Iskandar
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 3 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Since 2008 Javan Gibbon’s (Hylobates moloch) status is endangered due to the capture of gibbons in the wild to be used as pets which are increasingly prevalent. Conservation efforts of Javan Gibbon population have been conducted at the rescue populations of Javan Gibbons in Javan Gibbon Centre (JGC). Javan Gibbon are the result of voluntary surrender of the community and confiscation of quarantine officer. Rehabilitation in JGC aims to restore the wild instincts of Javan Gibbon before being released in to the wild environment. This study aimed to identify the daily activities and behavior patterns of Javan gibbon pair and to analyze the abiotic factors that influence them in Javan Gibbon Centre (JGC) as one aspect of their readiness to be released into the wild environment. The study focused on three pairs of Javan Gibbons namely Boby-Jolly, Willie-Sasa, and Asep-Dompu. Based on the observation of three pairs of Javan gibbon, resting is the most dominant activity with the percentage of 60-80% followed by traveling (8-20%), feeding (7-13%), social (0-4%), and aggressive behavior (<1%). The most common social behaviors of Javan Gibbon pairs were allogrooming, courtship, and vocalization. Ambient temperature and rainfall were abiotics factors the most affecting the activity and behavior of the Javan Gibbon pair in terms of vocalization. Javan Gibbon will stop vocalization if the ambient temperature is low and when rainfall is high. Based on the observation data, Willie-Sasa was considered to have fulfilled one aspect of the assessment for their release into the wild environment. The dominant aspect of this pair is the frequency of socialization and vocalization that approaches frequency of Javan Gibbon behavior in the wild environment.

Manfaat Ekonomi Wisata Alam pada Pemenuhan Pengeluaran Rumah Tangga dan Konservasi Taman Nasional Asti Istiqomah; Meti Ekayani; . Nuva; Danang Pramudita; Bahroin Idris; . Osmaleli
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 3 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The broadening of Mount Halimun Salak National Park (TNGHS) area is unseparable from the trade off between conservation interest and community’ economic interests. An alternative solution to overcome these problems is an action to conduct natural tourism activities in TNGHS. This action is also expected to encourage the participation of community in preserving national parks. The purpose of this study is to examine economic benefits of nature tourism for maintaining the function of conservation of national parks which at the same time can improve the community’ economy in TNGHS area. The methods used are income analysis which includes ratio of economic benefits from tourism activity to total income and covering of economic benefits from tourism to household expenditure and to conservation fund. The results showed that the economic benefits from natural tourism activity obtained by the community was 66% of the total income and it could also fulfil 91% of household expenditure. In addition, ecotourism activities also generate tourism revenue which is called as PNBP as much as 343% of conservation funds.

Improving the Effectivity of Urea Fertilizer in Shallot by Using Urease and Nitrification Inhibitors Sugiyanta Sugiyanta; Isna Tustiyani; Diny Dinarti
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Nitrification inhibitors are used to decrease the rate of nitrification process so it can decreases the nitrate losses. The objective of this study was to investigate the improvement of urea effectiveness by using urease and nitrification inhibitors on shallot. The study was conducted at Blubuk Village, Tanjung, Brebes District, Central Java, Indonesia from December 2017 to April 2018. The experiment was arranged in a randomized block design with 8 treatments and 3 replications. The treatments were untreated group (P0), 100% dose of Urea without inhibitor (control) (P1), (3) 100% dose of Urea + Urease Inhibitor (P2), 100% dose of Urea + Nitrification Inhibitor (P3), 100% dose of Urea + Urease Inhibitor + Nitrification Inhibitor (P4), 80% dose of Urea + Urease Inhibitor (P5), 80% dose of Urea + Nitrification Inhibitor (P6), and 80% dose of Urea + Urease Inhibitor + Nitrification Inhibitor (P7). The results showed that 100% dose of Urea + Urease inhibitor, 80% dose of Urea + Urease inhibitor, 80% dose of Urea + Nitrification inhibitor, and 80% dose of Urea + Urease inhibitor + Nitrification inhibitor treatments significantly produced higher plants heights, number of leaves, and more number of tillers compared to control treatment (100% Urea without inhibitors), without affecting the yield and yield components.

Distribusi Ukuran, Pola Pertumbuhan, dan Faktor Kondisi Ikan Endemik Opudi (Telmatherina prognatha) di Danau Matano, Sulawesi Selatan Andi Chadijah; Sulistiono Sulistiono; Gadis Sri Haryani; Ridwan Affandi; Ali Mashar
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Opudi fish (Telmatherina prognatha) is an endemic fish that live in the Lake Matano. Growth pattern of Telmatherina prognatha is very important to be studied for species conservation and management effort. This study aimed to analyze size distribution, growth pattern and condition factors of the fish as a basic information for fish resources management at Lake Matano. The study was conducted from March to August 2018 on six sampling locations. The fish sampling was carried out using multifilament nets with 0.5 inches in mesh size (30 m length and 2 m width) in the lake. The caught fishes were measured for total length and weight for growth analysis. The total of fish (n=853 individuals) consisted of male (483 individuals) and female (370 individuals). Total length (TL) of the fish ranged between 36.46-64.09 mm (mean 51.73±4,74mm) for male and 32.93-66.20 mm (mean 49.81±5.31 mm) for female fish. The growth patterns (length-weight relationships) of male and female fish were W=0.0004L2,5995 and W=0.0006L2,4875, indicating negative allometric growth patterns, respectively. Range condition factors in average were various and 0.9864±0.2084 in average for male and 1.0121±0.1571 for female, respectively, with quite high values on June 2018.

Penilaian Sesbania sesban sebagai Spesies yang Diduga Invasif di Daerah Perkotaan Sangatta, Kalimantan Timur Titis Hutama Syah; Arbain Arbain
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Sangatta as the capital of East Kutai Regency is a rapidly growing urban area. The rapid growth and development of Sangatta resulted in the increase of open space. For this reason, the government and local communities tried to reforest the residential areas by planting many plant species. However, generally the chosen species were not the local ones and tended to be chosen based on the easiness of cultivation and aesthetic aspects. The popular species is janti (Sesbania sesban), which can be called as an alien species because of the lacks of records and information about its existence. The alien species spreading freely and uncontrolled could be potentially invasive. To prove it, an assessment needed to be held. One of procedure that can be used is assessment protocol issued by the nature serve organization, which determines the presence of an invasive type or species based on I-rank, which consists of four assessment categories, namely ecological impact, distribution status and abundance, distribution trends and abundance, and management difficulties. The research result showed that the presence status of Janti was invasive in the middle rank.

Peningkatan Kualitas Air Hasil Paparan Larvasida Hayati Kulit Kayu Gemor (Nothaphoebe coriacea K.) Pranatasari Dyah Susanti; Wawan Halwany
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Biolarvacide derived from local plant extract can be used as a vector breaker for diseases caused by mosquitoes. One of plants used as biolarvacide was gemor bark. The use of gemor bark as a biolarvacide had caused a high mortality for mosquitoes, but had lowered the quality of water exposed by this larvacide. The objective of this research was to study a method to improve water quality exposed to biolarvacide of gemor bark extract. This research used experimental methods with 5 treatments and 3 replications, while the research design was using a completely randomized design. The treatment used in this research was purification using flannel fabric, cotton fabric; adding PAC (Poly Aluminium Chloride) 10 mL, PAC 30 mL, and PAC 50 mL. The dose of biolarvacide extract used was 1600 ppm. Parameters measure were pH and turbidity. Research results showed that averages pH in G1; G2; G3; G4; and G5 were 5.67; 5.67; 7.27; 7.12; and 7.02, respectively. While the turbidities in G1; G2; G3; G4; and G5 were 471 NTU; 414.33 NTU; 8.67 NTU; 2.82 NTU; and 1.22 NTU, respectively. Based on Regulation of Health Ministery of Indonesia No. 32 year 2017 about Quality Standard of Environmental Health and Water Health Requirements for Hygiene Sanitation, Swimming Pool, Solus Per Aqua, and Public Bath, and Further Analyses, then G4 treatment can be used as alternative treatment for purification of water exposed by gemor bark larvacide.

Fraksionasi Fosfor pada Profil Tanah Hutan, Wanatani, dan Tegalan di Jawa Barat Parjono Parjono; Syaiful Anwar; Kukuh Murtilaksono; Lilik Tri Indriyati
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

This study aims to evaluate the distribution of phosphorus (P) fractions within the soil horizons or profile of forest, agroforestry, and dryland in West Java and their correlations with soil chemical properties. Evaluation was based on the analytical results of soil samples taken from four soil horizons (Ao or Ap, A1 or A2, B1, and, B2) in each land use types. Fractionation of soil P was carried out using a sequential extraction method to get readily available-P (NaHCO3-P-inorganic (i)-P-organic (o)), rather available-P (NaOH-Pi-Po), slowly available-P (HCl-Pi), not available-P (residual-P), and total-P (HCl25%-P) fractions. The results showed that the average concentration of soil residual-P fraction in all land use types reached >99% of the total-P. The highest average concentration of residual-P fraction was measured in dryland, followed by forest and agroforestry. This indicated that soil P adsorption capacity was very high and resulted in a very low concentrations of the soil available-P fractions. The high concentrations of soil residual-P and total-P fractions were most probably related to P fertilizer application, particularly in dryland soil. Distributions of P fractions within the soil horizons at all land use types were significantly correlated with the concentration of soil organic matter content. It is therefore the concentration of soil NaOH-Po fraction was decreasing with the soil depths. The highest concentration was found at Ao or Ap horizon, although it was not the case for NaOH-Po fractions that was relatively constant.

Perilaku Pesnorkel terhadap Ekosistem Terumbu Karang (Studi Kasus di Taman Nasional Laut Kepulauan Seribu, DKI Jakarta) Anastasia Dian Rosalina; Yonvitner Yonvitner; Zulhamsyah Imran
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Snorkeler behaviors which are not in accordance to snorkeling guidelines are harmful to the coral reefs ecosystem. This research aims to describe the behavior patterns of visitors when they were snorkeling, and classifying snorkeler behavior according to the potential hazard which occur in the coral reefs’ ecosystem in the Kepulauan Seribu Marine National Park. Field observations shown that behavior of visitors when they were snorkeling has the same patterns that are harmful for coral reefs ecosystem when they took photo in underwater and interact with the marine biota. The act to feed fish, stepping or stand up on coral reefs, and hold coral reefs are shown by most of the snorkelers when they were snorkeling in the study location. Grouping of snorkeler behavior shown that more than part of snorkeler respondents had characteristics and perceptions that were at high risk of the possibility of non-environmentally friendly actions. Based on the risk grading matrix of snorkeler behavior, the quantity of respondents who have the potential to pose a risk behavior to the coral reef ecosystem showed 55.56% snorkeler get into a high risk category, 33.33% in the middle risk category, and 11.11% on the low risk category.That’s mean that snorkeler behavior was harmful for coral reefs ecosystem.

Efektivitas Jalur Hijau Jalan dalam Mengurangi Polutan Gas CO Anisah Nur Izzah; Nizar Nasrullah; Bambang Sulistyantara
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Air pollution is a serious problem that increase in almost all countries, including in developed countries. Increasing in air pollution is generally caused by human activity such as transportation. One of dangerous pollutant substances generated by motor vehicles is CO (carbon monoxide) gas. One effort in controlling air pollution is the utilization of green open space in the roadside area. The purpose of this study is to determine the distribution of CO in road side vegetation area and open area. The research was conducted in roadside green belt of Cikampek Highway. Air sampling was conducted to measure the concentration of CO in the distances of 0, 10, and 30 m from green belt area. Concentration of CO was analyzed using a spectrophotometry method. The result showed that vegetation and distance factors significantly affected the distribution of CO gas concentrations.The existance green belt area reduced the distribution of CO pollutant in the vicinity of Cikampek highway. As a result, the plot of vegetation area can effectively reduce the concentration of CO gas by 8.5% compare to open plot area. In this study, the plot of vegetation area at10 and 30 m distances decreased CO concentrations about 14.5 and 23.55%, respectively. In the open plot area, the 10 and 30 m distances from the open plot area decreased CO concentrations by 7.17 and 15.05%, respectively.

Pertumbuhan Awal Tanaman Penyusun Agroforestri Sengon (Falcataria mollucana)+Manglid (Magnolia champaca)-Rumput Pakan Ternak pada Umur Sembilan Bulan Aditya Hani; Levina Pieter Geraldine
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Vegetative soil and water conservation can be done by planting annual plants (timber) and crops. On sloping areas, terraces function to prevent erosion and to maintain the soil fertility. One effort to protect the terrace is to plant animal-feed plants. The combination of woody plants and grasses can increase the value of conservation and provide results for landowners, namely wood and forage. The research was designed to evaluate the growth of manglid (Magnolia champaca), sengon (Falcataria mollucana), and elephant grass (Pennisetum purpureum) planted in agroforestry. The study used a split plot design group with wood plant species, namely 4 spacing (3 x 3; 3 x 4; 3 x 5; and 3 x 6 m) each of three replications. The number of staple plants per treatment of 49 plants (7 x 7) by means of the type of sengon and manglid was planted by alternating hose. Elephant grass was planted along the terrace with a spacing of 1 x 1 m. The results showed that the spacing of the main plants 3 x 5 m with a distance between 5 m lines gave the best tree growth (diameter 24.5 mm and height 129.41 cm). The number of shoots per elephant grass clump ranged between 44-134 shoots with a wet weight per sample range of 83.6-278/g/shoot, while the productivity per area of 4 m2 ranged between 0.8-13.25 kg wet weight and 0.32-5.26 kg dry weight.

Page 45 of 98 | Total Record : 975

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