Jurnal Ilmu Pertanian Indonesia
ISSN : 08534217     EISSN : 24433462
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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Krisis Keuangan Global 2008-2009 dan Implikasinya pada Perekonomian Indonesia Sugema, Iman
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

The global financial crisis that occurred in 2008-2009 was the worst financial crisis in 80 years, even the economists in the world called it as the mother of all crises. The subprime mortgage crisis in the United States eventually manifested into a world-wide financial crisis. No single country is free from the effects,  including Indonesia. This study aims to analyze the global financial crisis, the sources of the cause, the mechanisms of the crisis emergence, and to identify the implications of the crisis on financial sector and real sector, as well as employment and poverty. The results showed that the country has a relatively high poverty rate and unemployment rate than it should. If there is no crisis, the level of poverty alleviation and reduction of unemployment should be at a better rate. In addition, it was found that the impact of the global crisis relatively stronger to the rural households than to urban households. Therefore, because the rural labor market is much more flexible than that in urban areas, the impact of global crisis on rural unemployment rates is relatively weaker as well. Keywords: economic recovery, financial crisis, impact of crisis
Pengujian Efikasi Skala Laboratorium Kayu Hasil Fumigasi Terhadap Serangan Rayap Tanah (Coptotermes curvignathus) Wahyudi, Imam; Rahayu, Istie Sekartining; Arinana, .
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Fumigated wood was assumed to retain durability level against wood destroying factors. Due to lack of data, fumigated wood durability against wood destroying factors needs to be investigated, especially toward subterranean termites. The aim of this research was to evaluate fumigated wood durability against subterranean termites attack in laboratory scale (ASTM D 3345-2008). Wood samples used were sengon (Falcataria moluccana), rubberwood (Hevea brasiliensis), and mangium (Acacia mangium). Samples of 2.5 × 2.5 × 0.6 cm were fumigated inside 2 × 1 × 1 m of fumigation chamber using 2, 4, 6, 8, and 10 liters of ammonia solution for 4 days. The samples were then transferred into glass bottle, along with sterile sand and 200 worker and 20 soldier subterranean termites. After 4 weeks, mortality and weight loss percentage were measured. All treatments showed 100% of mortality, while a significant decline in weight loss percentage was varied depends on wood species as well as the volume of ammonia. Therefore, fumigated wood was proven resistant against the attacks of subterranean termites. Keywords: ammonia, Coptotermes curvignathus, efficacy, fast growing species, fumigation
Pengembangan Model Kemitraan dan Pemasaran Terpadu Biofarmaka dalam Rangka Pemberdayaan Masyarakat Sekitar Hutan di Kabupaten Sukabumi, Provinsi Jawa Barat Sundawati, Leti; Purnaningsih, Ninuk; Purwakusumah, Edy Djauhari
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Most of the community surrounding forest areas in Sukabumi District are poor farmers. They traditionally cultivate medicinal plants. However, quality of the products is not standardized, and hence, low price. Therefore, it is needed to strengthen and empower the farmer capacity, by developing an integrated marketing model for medicinal plants and by enhancing the competitiveness of the farmer group institution so that they can build a partnership with industry. This activity involved farmers at Mekarjaya Village, Ciemas Subdistrict who are member of Srijaya Farmer Groups Association. Survey, in-depth interview, and focus group discussion were conducted to get data on the existing condition. Farmer institution strengthening was conducted through trainings for farmers on entrepreneurship, medicinal plant cultivation and processing, facilitation of farmer group institution, and establishment of demonstration plots of medicinal plant cultivation. Agribusiness networking and partnership was built through the memorandum of understanding on marketing between Sri Jaya with two biopharmaca companies. Keywords: empowerment, farmer institution, marketing, medicinal plant, partnership
Pemilihan Batang Bawah dan Teknik Penyambungan Tanaman Jarak Pagar (Jatropha curcas) untuk Meningkatkan Potensi Produktivitas >10 ton/ha dan Tahan Terhadap Cekaman Kekeringan dalam Upaya Mendukung Pengembangan Bioenergi Hariyadi, .; Purwoko, Bambang Sapta; Djumali, .; Cholid, Muhammad
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Development of Jatropha in large scale in dryland requires plant material with high productivity and ability to adapt drought conditions. Attempt to maintain the stability of jatropha production in dry land can be done through grafting technology by combining the advantages of prospective shoot section which has high yield potential as a scion and rootstock candidates from plant material that is able to adapt to limited water availability. Three activities were carried out at the first year experiments including (1) selection method of drought stress that is fast, accurate and simple under laboratory condition, and (2) adaptability study of jatropha rootstock candidates associated with drought stress in glasshouse and in the field. The result showed that the method of drought stress that was fast, accurate and simple under laboratory condition was that using polyethylene glycol. Three jatropha rootstocks, namely IP-3M, Sulawesi 117, dan NTB 047, are tolerant to drought stress associated with drought stress both in glasshouse and in the field condition. Keywords: drought stress, jatropha, productivity
Perakitan Varietas Hibrida Jagung Manis Berdaya Hasil Tinggi dan Tahan Terhadap Penyakit Bulai Sujiprihati, Sriani; Syukur, Muhamad; Makkulawu, Andi Takdir; Iriany, R Neny
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Sweet corn is a result of recessive mutation which occurs naturally in gene that controls the conversion of sugar into starch in corn seed endosperm. There are 3 main genes that affect corn sweetness, namely sugary gene (su), sugary enhancer gene (se), and shrunken gene (sh2). This study aims to obtain a general combining ability value for the sweet corn lines, which will be the parent in diallel crosses; obtain the information of general combining ability, specific combining ability, and heterosis value for sweet corn lines; and obtain one or more promising single cross hybrids that will be potential for high yield and resistance to downy mildew disease. The study was conducted from April 2009 until November 2011 at the Experimental Field Centre for Cereal Plant Study (BALITSEREAL), Maros, South Sulawesi. The results showed that five genotypes had moderately high yield: Mr4/SC/BC4-3-1B, Mr14/SC/BC4-6-1B, Mr11/SC/BC4-3-1B, Mr14/SC/BC3-8-1B, and Mr12/SC/BC4-6-1B. The attack level of downy mildew that was classified as resistant has 0 to 7% rate. The combination of crosses that produce better productivity than all the varieties are: C × A (Mr11/SC/BC4-2-1B-1 × Mr12/SC/BC4-5-B-1), A × D (Mr12/SC/BC4-5-B-1 × Mr11/SC/BC4-2-1B-1), E × B (Mr12/SC/BC3-3-1B -1 × Mr14/SC/BC4-6-1B-1), and B × D (Mr11/SC/BC4-2-1B-1 × Mr14/SC/BC4-6-1B-1 ). Five hybrids can be continued for the preliminary testing of yields. Twelve candidate varieties do not have yield different than the checked varieties, so it can proceed to a multilocation trials to explore the advantages that can be released as new varieties. Keywords: combining ability, full diallel, sweet corn, Zea mays var. saccharata
Pengetahuan Tentang Manfaat Kesehatan Temulawak (Curcuma xanthorrhiza.) Serta Uji Klinis Pengaruhnya pada Sistem Imun Humoral pada Dewasa Obes Dewi, Mira; Aries, Muhammad; Hardinsyah, .; Dwiriani, Cesilia Meti; Januwati, Nunuk
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Sufficient knowledge of the community regarding benefits of temulawak for health and scientific evidence of its influence on the immune system is crucial for rationalizing the utilization of these plants for health purposes. This study aimed to analyze the publics knowledge about health benefits of temulawak drinks, as well as analyzing the effect of temulawak extract drink consumption on humoral immune system function as assessed by population of B lymphocytes in obese adults. The study consisted of a survey of knowledge about the health benefits of temulawak involving 80 subjects and a clinical trial of the effect of extract temulawak drink consumption given for 2 weeks in 21 obese subjects. Populationof total lymphocytes and B lymphocytes were analyzed before and after intervention. This study showed that the health benefits of temulawak most widely known by subjects were to increase appetite and to maintain stamina. From the clinical trial it was shown that the extract significantly reduce the population of B lymphocytes, indicating a decrease in humoral immune function. Keywords: health benefits, humoral immune system, knowledge, temulawak
Inovasi Teknologi untuk Pengembangan Jagung dalam Rangka Mendukung Ketahanan Pangan dan Energi Hermawan, Wawan; santoso, Roh; Muhandri, Tjahja; Sunarti, Titi Candra
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
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Abstract

Recent researches resulted several innovations such as an integrated machine for planting and fertilizer application for corn cultivation, corn noodle production, and delignification process of corn stover. The objectives of this research were (1) to improve working performances of the first prototype of integrated machine for tillage, planting, and fertilizer application for corn cultivation, (2) to develop an automatic irrigation system using solar energy, (3) to optimize processing variables on corn noodle production, and (4) to explore the delignification process of corn stover to improve the enzymes susceptibility in saccharification process. The planting and fertilizer application machine for corn cultivation has been successfully modified and showed better working performance. An automatic irrigation system using solar energy for corn cultivation has been arranged using a solar panel, a water pump, a battery, and a controlling system. The pumping discharge from a 10 m depth of well was 0.1 l/s. The optimum processing condition was resulted from the combination of 80% dough’s moisture content, at 90 °C extruder temperature and 75 rpm screw speed. The microwave heating treatment could destruct and solubilize the lignin, as compared to chemical and hydrothermal processes, and reduced the fiber crystallinity. Keywords: automatic irrigation, corn noodles, corn stover, delignification, planting machine
Formulasi Tepung Biofungisida Berbahan Aktif Ganda Pseudomonas Fluorescens PG 01 dan Bacillus Polymixa BG 25 Widodo, .; Wiyono, Suryo
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

The objective of this study is to determine effective carrier materials and additives which is able to keep the bioperformance, including antibiosis activity to Phytophthora capsici and Colletotrichum acutatum and plant growth promoting effect, of two antagonistic bacteria Psedomonas fluorescens PG 01 and Bacillus polymixa BG 25 in biofungicide powder formulations. Talc and bentonite formulations were effective after 3 months of storage, while tapioca were only effective to B. polymixa up to 3 months of storage. Additive materials that can enhance the antibiosis activity of the bacteria, keeping up the growth and no toxicity effect to chili seedlings were crab shell powder 0.25% and MnSO4 1 to 2%. After eight months storage with 20% moisture content, the bacteria population survived in powder formulation developed in this study was still suitable for seed treatment and/or after transplanting through soil drenching with water. In this period of storage, population of the two bacteria was 106 cfu/g formulation. Keywords: biofungicide, B. polymixa, P. fluorescens, powder formulation
Faktor–Faktor Penentu Keberhasilan Pelepasliaran Orangutan Sumatera (Pongo Abelii) di Taman Nasional Bukit Tigapuluh Santosa, Yanto; Siregar, Julius Paolo; Rinaldi, Dones; Rahman, Dede Aulia
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Study on determinant factors on success of Sumatran orangutan reintroduction was done to all orangutans in reintroduction station (84 individual + 1 infant orangutan). This study was conducted from August to December 2006 in the Station of Orangutan Reintroduction Centre located in Buffer Zone of Bukit Tiga Puluh National Park. The purpose of this study was to measure the effects of determining factors to the success of orangutans reintroduction to their natural habitat and to identify other factors that give impact to the reintroduction success. Data were collected through direct observation of activities and daily behavior of orangutans using scan sampling and continuous recording methods as well as through interviews with officials. Data analysis was performed descriptively and quantitatively using statistical tests (chi–square) with 95% confidence interval. The results showed that there is a match between percentage of success of the reintroduction of the six criteria of reintroduction success. The results of chi–square indicates that determinant factors, such as age class, orangutan life history, treatment and duration of reintroduction stage, are correlated to the success of reintroduction activities. Keywords: determining factors, reintroduction successful, Sumatran orangutan
Efek Kombinasi Sistem Pengaturan Air Irigasi dengan Pemangkasan Daun Bawah Terhadap Efisiensi Air dan Radiasi, Serta Produktivitas Tanaman Jagung pada Lahan Kering Beriklim Kering Koesmaryono, Yonny; Haruna, .; Kartiwa, Budi; Impron, .
Jurnal Ilmu Pertanian Indonesia Vol 17, No 3 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Study on the effect of dose management on water irrigation and the effect of pruning corn lower leaves on productivity of Lamuru variety grown on dry land of dry climate area has been done. The experiment was organized at Naibonat Experimental Station, East Kupang Subdistrict, Kupang, East Nusa Tenggara, from June to October 2011. The area used was 72 × 32 m using split plot design methods, employing two treatments. The first treatment was conducted on the main plot with water irrigation dose given 100, 80, and 60% the dose control was according to the farmer’s customary. The second treatment was applied by pruning or not pruning the lower leaves at the generative phase on the determined submain plot. The result showed that dose of water irrigation of 80 and 60% gave significant effect on corn productivity, that is 7.3 and 5.3 ton/ha, but not significant to the control (6.6 ton/ha). On the other hand, the treatment with and without leaf pruning did not give significant effect on the growth component because pruning was conducted during the generative phase. The Anova test result of corn productivity was not significantly different between the treatment of with and without pruning. The treatment of 80% dose of water irrigation could save water until 842 m3 or 20% per planting season per hectare. Meanwhile, the farmer’s customary wasted the water up to 2.105 m3 or 50% per planting season per hectare. Based on the results, the optimizing of water irrigation interval is seven times more efficient in one planting period as compared to 14 irrigation times in one planting period. Keywords: corn, irrigation, productivity, pruning

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