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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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Analisis Perbedaan Karakteristik dan Perancangan Pekerjaan Manajer Sekolah Peternakan Rakyat (SPR) Hafizah Khaerina; Anggraini Sukmawati; Muhammad Syamsun
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The job design that is accommodative with the organization objective is vital to create efficiency in job performance, develop work satisfaction, and accelerate productivity. In SPR, a manager acts as a collective business coordinator. The objectives of this research were to analyze the difference of job characterization between SPR managers and Sentra PR managers and develop an appropriate job design. The necessary of identification of job characterization is to predict a successful job. The characterization was identified based on task, knowledge, social, and contextual characteristics. Samples were collected by interview and questionnaire. Sampling method used purposive sampling to 28 SPR managers in Indonesia, by then processed by t-test using SPSS versi 21.00. This research proved that SPR managers have a higher value in job characterization from several perspective, that is: task characteristic (task identity), knowledge characteristics (problem solving and skill variety) and social characteristic (feedback from others), however, there was no difference on contextual characteristic off those groups. The job design is created based on job characteristics such as task variety, problem solving, social support, and physical demands. The job design contains information about job description and qualification of SPR managers. Qualifications needed included education (bachelor degree from various majors), knowledge (about field conditions, local community, administration, reporting, and having knowledge of livestock will bean added value), skills and abilities (leadership and motivating farmers, initiatives and able to solve problems, entrepreneurial skills, good communication and negotiation skills, can operate computers and use the internet), and behavior (careful, disciplin, patient, innovative, creative, and hard-working).

Keanekaragaman Hayati Flora Habitat Bekantan pada Kawasan Ekowisata, Kabupaten Tapin, Kalimantan Selatan Anggi Pangestu; Yadi Setiadi; Hadi Susilo Arifin
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Land use changes from Malaleuca cajuputi swamp forest ecosystem to agriculture production area and settlement land decrease habitat of proboscis monkeys. The habitat position at the edge of the river and high accessibility caused faster habitat damage. In addition, forest fires occurred in 2015 has caused significant losses of flora and fauna biodiversity in the area. In order to know the type of plants in the study site, the vegetation analysis was conducted. The study site consisted of 19 species of lower plant and 4 types of trees. Dominant species and codominant of study site are widely distributed, indicating the existence of competition in obtaining nutrients and space. At the under storey plant level was dominated by Stenochlaena palustris and Scirpus grossus at the locations A and B whereas at location C was dominated by the Eleocharis dulcis and Jussieua erecta. In the types of trees, the dominant trees were Melaleuca cajuputi, Muntingia sp, Alstonia angustifolia, Shorea balangeran, and Albizia falcataria. In all three locations, there were low similarity values in the plant species below, the level of seedlings, and samplings.

Pertumbuhan, Produksi, dan Kualitas Buah Melon dengan Pemberian Pupuk Silika Triadiati Triadiati; Mafrikhul Muttaqin; Nelly Saidah Amalia
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Melon (Cucumis melo L.) is a plant that has economic value and has been cultivated in several areas of Indonesia with intensive fertilization. The mineral nutrient that is expected to improve the quality of melon growth and fruit is silica. The aim of the research was to improve the growth and melon fruit quality by addition of silica fertilizer. The treatments in this experiment were the application of silica (Novelgro, water soluble) which was carried out on melon plants with silica concentrations of 0.67; 1.33 ppm; and control (without silica). The results showed that silica increased the plant height, leaf area, and diameter of melon fruit. Melon plant with silica treatment of 1.33 ppm had silica content in the high category (>4% Si) which was 5.31% in the skin of the fruit. Moreover, the addition of silica can prolong the fruit storage period in room temperature compared to control.

Nilai Fisiologis Sapi Perah Kering Kandang di Pangalengan: Hematologi, Denyut Jantung, Frekuensi Respirasi, dan Suhu Tubuh Agik Suprayogi; Khairul Ihsan; Asep Yayan Ruhyana
Jurnal Ilmu Pertanian Indonesia Vol. 24 No. 4 (2019): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Pangalengan is at an altitude of 1000-1400 m above sea level with annual temperatures range of 12-28°C and annual humidity of 60-70%. Pangalengan's environmental conditions can affect the physiological conditions and health of dairy cattle, especially during the dry period. The information about the physiological value of dairy cows when they are in a dry period is not yet available. This study used 46 dairy cows that were on a dry period, and measurements of physiological parameters were carried out in the morning, afternoon, and evening. Heart rate, respiration rate, and body temperature ranges were 52,8-70,2 times/min, 18.9−36.6 times/min, and 37,6-38,6°C, respectively. The ranges of hemoglobin, hematocrit, erythrocytes, and leukocytes were 9.3-11.3 g/dl; 30.4-36.6%; 6.5-8.70 million/µl; and 7.4-12.8 thousand/µl, respectively. The differential ranges of leukocytes including lymphocytes, neutrophils, monocytes, eosinophil, and basophils were at 29.60-55.60%; 28.80-56.20%; 0.30-4.30%; 5.50-19.7%; and 0.00-0.00%, respectively. The neutrophil/lymphocyte ratio was obtained in the range of 0.45-1.91. This study concluded that dairy cows during dry period maintained in mild Pangalengan climatic conditions showed physiological values that were within the normal range.

Karakterisasi Sifat Fisikokimia Sereal Berbasis Tepung Beras Merah Pecah Kulit Sukarno Sukarno; Nova Kushandita; Slamet Budijanto
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 1 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The purpose of this study was to formulate cereals from red rice, red beans, and sesame into the right food as a food consumed at breakfast and characterization of its physical chemistry. The cereal was made by extrusion method using an extruder with a temperature of 130°C and a rotating speed of auger, screw, and cutter 50 Hz. This study used a completely randomized design with 9 formulas. Based on the Bayes method, the best formula was F8 with a composition of brown red rice (85%), red beans (10%), and sesame (5%) cereals contained a total phenol compound of 0.10± 0.01 mg GAE/g, water content of 7.35±0.58%, ash content of 0.02±0.00%, protein content of 10.85±0.29%, fat content of 1.77±0.08, and carbohydrate content of 80.01±0.79%. Keywords: breakfast cereal, brown rice, red beans, red rice, sesame

Panen Pucuk dan Buah pada Tanaman Leunca (Solanum nigrum L.) yang Dipupuk dengan Dosis Nitrogen Berbeda Nani Yulianti; Edi Santosa; Anas Dinurrohman Susila
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 1 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The increasing popularity of leaf and fruit of African nightshade as vegetables in Indonesia stimulates farmers to harvest both leaf and fruit from single plant alternately; the yield is presumably affected by fertilizer rate, e.g., nitrogen. The present study aimed to evaluate such hypothesis through evaluation of plant production, N absorption, and its status. Seedlings were treated with five N levels, i.e., 0, 90, 180, 270, and 360 kg/ha in Leuwikopo Experimental Farm, IPB Bogor, Indonesia. The results revealed that leaf and fruit productions were sensitive to nitrogen level. Leaf and fruit productions had quadratic correlation to N levels, i.e., r 2=0.9671 and r 2=0.9483 with optimum dosages as 304.8 kg/ha and 336.5 kg/ha, respectively. Proper N application is important for both leaf and fruit productions because nitrate level in leaf had quadratic relationship (r 2=0.5264) and it has a linear relationship in fruit production (r2=0.9587) by increasing N level from 90 to 360 kg N/ha. From the total fresh mass leaves and fruits harvested, the optimum N for the best alternate harvesting was 271.1 kg/ha (r 2=0.9644). Keywords: African nightshade, intercropping, N uptake, nitrate status, photosynthetic rate

Kecukupan Nutrien dan Prevalensi Parasit Cacing pada Sapi Bali di Lahan Gambut Adrial Adrial; Rudy Priyanto; Salundik Salundik; Iwan Prihantoro
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Peatlands have specific characteristics with waterlogged conditions, fragile, and less fertile. The level of peatlands fertility dependent on depth peat and the distance from rivers. This study was aimed to evaluate nutrient adequacy and prevalence of worm infestations in the gastrointestinal tract of Bali cattle that maintained in different peatland categories. The research was conducted in Pulang Pisau District, Central Kalimantan. The site was determined by purposive sampling and divided into 3 categories peat swamp, shallow peat near the river, and shallow peat away from the river. The data were collected by survey method and laboratory analysis. The variables observed included forage quality, nutrient intake, the number of infected cows, and the number of eggs per gram of feces (EPG). The results showed that each category of peatland have different feed quality and nutrient adequacy (P<0.05). The nutrient intake in the peat swamps was relatively higher than that of other sites. In general, the nutrient adequacy of cattle raised in the peatlands area was still below the standard requirement. In all peatland categories, the occurring of Ca deficiency in the diet was pronounced. The highest prevalence of parasitic worms infection was found in cows raised in peat swamps. Bali cattle that maintained in different peatland categories generally showed different responses in nutrient adequacy and prevalence of parasitic worms infection. Keywords: Bali cattle, nutrient adequacy, parasitic worm, peatlands, prevalence

Pengaruh Pengelolaan Tanaman Terpadu terhadap Efisiensi Teknis Kedelai Herlinda Apriliana; Ratna Winandi; Rachmat Pambudy
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

This study aims to analyze the impact of Integrated Crop Management (PTT) on technical efficiency. PTT is a government program undertaken in an effort to increase soybean productivity. PTT program is done by applying technology in the use of input management of soybean production. The method used in this research is using Stochastic Frontier (SFA) method with Cobb-Douglas production function. The location of this research is in Nganjuk District, East Java. Based on the results obtained that soybean farmers in Nganjuk district on average have been technically efficient. However, the soybean farmers program that PTT has a higher technical value compared to soybean farmers who do not follow PTT. The production input factors that affect production are superior seed, labor, fertilizer, and pesticide. While socio-economic factors are extension, landowner status, and number of family dependents. Keywords: PTT, soybean, stochastic frontier, technical efficiency

Penyimpanan Mahkota Nanas dan Zat Pengatur Tumbuh pada Pertumbuhan Setek Basal Daun Asal Mahkota Putri Mian Hairani; Mohamad Rahmad Suhartanto; Eny Widajati
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

The availability of pineapple seedlings in the field is a problem in the development of Smooth cayenne pineapple because of limited sources of planting material compared to the other types. Effort that can be done to solve the problem is to use the method of crown leaf-bud cutting. Propagation of pineapple (Ananas comosus L) with the method of crown leaf-bud cutting is not optimum so it can be optimized; one of them is by giving the duration of storage treatment and application of plant-growth regulators. The experiment was aimed to study the effect of crown storage duration and plant growth regulators on the growth of pineapple seedlings. The experiment was arranged in a nested plot design. Duration of crown storage for 2 (control), 10, and 20 days in room conditions at a temperature of 29-35°C and humidity of 46-70% as the main plot. The subplot was combination of indole-3-butyric acid (IBA) and 6-benzylaminopurine (BAP) with the concentrations: IBA 300 ppm and BAP 400 ppm, IBA 300 ppm and BAP 600 ppm, IBA 400 ppm and BAP 400 ppm, as well as IBA 400 ppm and BAP 600 ppm. The results of the experiment showed that the leaf-bud cuttings which stored for 10 days 57.34% were survived, 57.15% were sprouted, and 51.62% were rooted, while the control that survived, sprouted, and rooted did not reach more than 30%. The content of endogenous ABA in the crown leaf-bud shoots decreased significantly after being stored for 10 and 20 days, while the contents of endogenous auxins and cytokines were not different from the controls. Application of IBA 400 ppm combined with BAP 400 and 600 ppm increased the percentages of survived and sprouted cutting 1.5-1.7 times compared to control. Keywords: auxin, cytokines, exogenous hormone, endogenous hormone, vegetative propagation

Estimasi Produktivitas Serasah di Lahan Bera Womnowi, Distrik Sidey, Manokwari Slamet Arif Susanto; Heru Joko Budirianto; Agatha Cecilia Maturbongs
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Aspects of litter productivity in fallow land in Manokwari, Western Papua need to be investigated because litter has the potential to increase soil fertility. The objective of this research was to count and estimate litter productivity in 15 years-fallow land in Womnowi, Sidey District, Manokwari. We used litter trap of 1 m2 in size with 2 mm mesh size. Nine litter traps were set under tree species, three replications of each tree species which have higher Important Value Index (IVI). Litters were weekly taken and oven dried until reaching the constant mass. Result showed that the dry masses of litters are not significantly different among three species. If the productivities are constant and probabilities of litterfall are same, the estimates of Dractontomelon dao have dry mass productivity rate (DMP) reaching 10.32 ton ha-1 year-1, followed by 8.98 ton ha-1 year-1 for Pometia pinnata, and 7.96 ton ha-1 year-1 for Octomeles sumatrana. Dry mass percentage (DMP) decreased in the order of P. pinnata > D. dao > O. sumatrana. We found negative linear regressions about water content of litter (WCL) and DMP at P. pinnata and O. sumatrana, but not for D. dao. These negative linear regressions can be used to estimate the rate of decomposition of each species. Keywords: linear regression, litterfall, secondary forest, soil fertility, Western Papua

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