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INDONESIA
Jurnal Penelitian dan Pengembangan Pertanian
Published by Kementerian Pertanian
ISSN : 02164418     EISSN : 25410822     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management
Jurnal Penelitian dan Pengembangan Pertanian terbit empat kali per tahun pada bulan Maret, Juni, September, dan Desember oleh Badan Penelitian dan Pengembangan Pertanian. Jurnal ini memuat artikel tinjauan (review) mengenai hasil-hasil penelitian yang telah diterbitkan, dikaitkan dengan teori, evaluasi hasil penelitian lain, dengan atau ketentuan kebijakan, dan ditujukan kepada pengambil kebijakan sebagai bahan pengambilan keputusan. Jurnal ini terbit pertama kali tahun 1979 dan telah terakreditasi oleh LIPI.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 29, No 4 (2010): Desember, 2010" : 5 Documents clear
PROGRAM PENGEMBANGAN AGRIBISNIS KEDELAI DALAM PENINGKATAN PRODUKSI DAN K PENDAPATAN PETANI Amar K Zakaria
Jurnal Penelitian dan Pengembangan Pertanian Vol 29, No 4 (2010): Desember, 2010
Publisher : Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jp3.v29n4.2010.p147-153

Abstract

Soybean agribusiness development program in increasing production and farmer’s income The domestic soybean production decreased continuously in the period of 19902009 in line with the sharp decline in planted area. To fulfill the domestic soybean demand, import was conducted. From the farmers’ side, the decrease in planted area shows the low participation of farmers’ in soybean planting because soybean farming is not benefited for them. Implementation of incentive policy program is one of efforts to increase soybean production towards self-sufficiency. However, increasing soybean production is not only related with the technical aspects, but it also needs strategies to strengthen farmers’ participation in soybean farming. Government policies are needed to increase farmers’ participation in soybean farming. These include improving soybean business administration, fixing floor price, intensifying extension activities, provisioning appropriate technologies, and other stimulating incentives.Keywords: Soybean agribusiness, farmers’ participation, production, income
KARAKTERISTIK DAN PERMASALAHAN TANAH MARGINAL DARI BATUAN SEDIMEN MASAM DI KALIMANTAN Suharta, Nata
Jurnal Penelitian dan Pengembangan Pertanian Vol 29, No 4 (2010): Desember, 2010
Publisher : Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jp3.v29n4.2010.p139-146

Abstract

Characteristics and problems of marginal soils from acid sedimentary rocks in KalimantanMarginal or suboptimal soils are potential for agricultural development such as food crops, estate crops, and industrial planted forest. These soils have low fertility status and susceptible to erosion. In Kalimantan, the marginal soils cover about 30.15 million ha or 57.22% of the total island area, with the major soils consist of Ultisols, few Oxisols, and Inceptisols. The physical properties of marginal soils from acid sedimentary rock are mostly influenced by the type of parent materials ( sandstone or claystone ) , while the chemical properties showed the similar characteristics indicating acid soil reaction, vary in organic matter, and low in cation exchange capacity, exchangeable bases, base saturation, mineral reserve, as well as P and K potentials, but the Al saturation is high. Agricultural development on these soils, other than the physical and chemical properties, should consider the relief condition. The areas with flat to undulating relief are recommended for perennial or food crops, while the annual or estate crops and industrial planted forest can be developed until the hilly area. Land management such as fertilization to improve nutrient status, liming to increase soil reaction and to decrease Al reactivity, and soil conservation practice were recommended. In this time, most of the marginal soils were utilized for estate crops development, such as oil palm, rubber, pepper, and industrial planted forest, and only a limited area for food crops.Keywords: Marginal soil, acid sedimentary rock, Ultisols, Oxisols, Inceptisols, Kalimantan
PENGEMBANGAN POTENSI AYAM LOKAL UNTUK MENUNJANG PENINGKATAN KESEJAHTERAAN PETANI Achmad Gozali Nataamijaya
Jurnal Penelitian dan Pengembangan Pertanian Vol 29, No 4 (2010): Desember, 2010
Publisher : Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jp3.v29n4.2010.p131-138

Abstract

Native chickens potential development for supporting farmers' welfare improvementIndonesian native chickens have very good potential to be developed to create a commercial strain for supporting food security and to improve farmers' welfare. So far, at least 32 ecotypes of native chickens were documented. Each of them has special characteristics, e.g. pelung, sentul, kedu, merawang, gaok, and nusa penida. Most of the local chickens were resulted from domestication of Gallus gallus since hundred years ago. The birds could be classified into several types, i.e. meat, egg layer, dual purpose, and fancy. Government attention for developing these native chickens is limited, even though native chicken keeping activity involves most of the farmers in the villages. Native chicken diseases are commonly caused by infections of viruses, bacteria, protozoa, and parasites, however native chickens have better resistance to diseases especially avian influenza ( AI ) because its body contains higher percentage of Mx+ gene compared with the imported hybrid chicken. Selection for resistance toward AI and newcastle disease should be implemented and supported with disease control program.Keywords: Native chickens, reproductive performance, crossbreeding, poultry farming, farmers' welfare
PEMANFAATAN BIOMASSA LIGNOSELULOSA AMPAS TEBU UNTUK PRODUKSI BIOETANOL Euis Hermiati; Djumali Mangunwidjaja; Titi Candra Sunarti; Ono Suparno; Bambang Prasetya
Jurnal Penelitian dan Pengembangan Pertanian Vol 29, No 4 (2010): Desember, 2010
Publisher : Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jp3.v29n4.2010.p121-130

Abstract

Utilization of lignocellulosic biomass from sugarcane bagasse for bioethanol production Sugarcane bagasse is one of potential lignocellulosic biomass for energy through physical, chemical or biological conversion. The material is renewable and abundantly available, especially as wastes or by-products of sugarcane industries. Of many conversion processes, lignocellulosic conversion to ethanol becomes focus of interest recently, since ethanol can be further used as biofuel to substitute gasoline for transportation. Lignocellulosic material, including sugarcane bagasse mainly consists of three components, namely cellulose, hemicellulose, and lignin. The conversion of these materials basically consists of pretreatment, cellulose hydrolysis, sugar fermentation to ethanol, and purification of ethanol. Production cost of this conversion is still high; therefore, many researches have been conducted to improve the conversion process, either pretreatment, hydrolysis, fermentation or purification, so that the cost could be reduced. This paper reviewed literatures on potential and characteristics of lignocellulosic materials, especially sugarcane bagasse, and conversion of these materials to ethanol. There is as much as 614,827 kL/year of ethanol potentially produced from sugarcane bagasse resulted from sugarcane factories in Indonesia. This amount of ethanol would have a great contribution to fulfill 1.10 million tons demand of ethanol. However, there are still some recalcitrans in production and implementation of lignocellulosic bioethanol, especially due to the unproven conversion technology of lignocellulosic biomass to ethanol and the high production cost. Therefore, government policies in supporting research and development, providing special incentives for sugarcane factories that produced ethanol from sugarcane bagasse, and giving subsidy to reduce bioethanol price, are needed.Keywords: Sugar by products, lignocellulose, conversion, ethanol
POTENSI CENDAWAN MIKORIZA ARBUSKULA UNTUK MENINGKATKAN HASIL TANAMAN JAGUNG Musfal Musfal
Jurnal Penelitian dan Pengembangan Pertanian Vol 29, No 4 (2010): Desember, 2010
Publisher : Badan Penelitian dan Pengembangan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jp3.v29n4.2010.p154-158

Abstract

Potential of vesicular arbuscular mycorrhiza in increasing maize yieldVesicular arbuscular mycorrhizae ( VAM ) can associate and symbiose with 97% high level plant family. VAM is included in ordo Glomales, and based on the body structure and infection way can be grouped into endomycorrhizae and ectomycorrhizae. VAM is able to improve the physical and chemical properties of soil, increase nutrient absorption, improve plant resistance to drought, protect roots from pathogens, increase plant yield, and release the P fixation. Ectomycorrhizae fungi can be consumed and as medicine. Application of VAM up to 20 g/plant and 100% NPK dosage in Inceptisols affected root infection, P absorption, biomass weight, and increased maize yield. P absorption was positively correlated with the maize yield. VAM reduced the rate of NPK fertilizer up to 50%. Application of 50% NPK fertilizer added with VAM 15 g/plant produced maize yield that was not significantly different with application of 100% NPK fertilizer. The highest maize yield was produced with application of 100% NPK fertilizer added with VAM 20 g/plant.Keywords: Zea mays, vesicular arbuscular mycorrhizae, yield

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