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INDONESIA
JURNAL AGRI-TEK
Published by Universitas Merdeka Madiun
ISSN : 14115336     EISSN : 25800035     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 72 Documents
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Analisis DAS Sambong Dengan Menggunakan Aplikasi GIS Arif Bakhtiar E, Arif Bakhtiar E
JURNAL AGRI-TEK Vol 15, No 1 (2014): JURNAL AGRI-TEK
Publisher : JURNAL AGRI-TEK

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Abstract

Watershed management becomes an important effort for development and environmental sustainability . With the limited availability of land , accommodations for activities in rural areas will lead resulting in changes in land use . Sambong watershed located in Batang also experiencing the same problem . Utilization of open space is important as a critical watershed reduction category . The purpose of the study was to analyze the use of the appropriate region on the location of the study area using Geographic Information System application . The analysis showed that the watershed Sambong sloped ramps up with a rather steep with most having rainfall 2500-3000 mm / yr and soil type latusol . The results show that the overlay district is used as an area worthy of cultivation . However, please note that in this case the conservation management of the watershed that need to be balanced proportion between farming, buffer and protected areas.Keywords: watershed, land use , geographic information systems
KAJIAN KOMPOSISI BAHAN ORGANIK SEBAGAI NUTRISI TERHADAP PERTUMBUHAN DAN HASIL TANAMAN PADI (Oryza Sativa L.) VARIETAS CIHERANG Firman, Yaumul; Sulistiyo Budi, Luluk; Rahayu, Sri; Lukito, Martin
JURNAL AGRI-TEK Vol 18, No 1 (2017): JURNAL AGRI-TEK
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Abstract

The declining quality of the environment that has the effect of reducing national rice productivity. Required cultivation techniques where the production of rice crops remain qualified, attention to the health and soil fertility and maintain the environment that is by using organic materials that are easy to find around the environment. Like leaf lamtoro plant, blotong, azolla plant, pure manure, molasses and utilization of microorganisms. The aim of this research is to study the response of organic composition as nutrient to growth and yield of rice crop (Oryza sativa L.) Ciherang Variety. The method of research was used Completely Randomized Design of one factor with three replications. Implementation of research using media polybag so get 72 polybag on each replication. Each replication is multiplied by three to 216 polybags, the distance between polybags is 25 cm. The results of the composition of organic matter showed the highest value on the treatment (Urea, SP36 and KCl) in all variables. The average number of tillers and the number of panicles showed higher yields on the average number of pith (%) and the lowest number of seeds (%). Some of the above variables show the study of the composition of organic materials as nutrients to growth and yield of rice crop (Oryza sativa L.) Ciherang Variety. Keywords: Nutrition, Organic Fertilizer, Growth and yield of Rice Plant 
Karakterisasi Pola Mineralisasi N Pupuk Organik Pada Tanah Sawah Organik Winarni, Marti; Yudono, Prapto; Indradewa, Didik; Hendro Sunarminto, Bambang
JURNAL AGRI-TEK Vol 16, No 1 (2015): JURNAL AGRI-TEK
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Abstract

Organic rice cultivation rely only source of nutrients of organic fertilizers and other natural inputs. One way to meet the needs of nitrogen in organic rice cultivation is to utilize the organic fertilizers. The purpose of this study was to examine the influence of the type of organic fertilizers on N-available content in the soil, the characterization of the pattern of mineralization of N-available from types of organic fertilizer, and determine the three types of organic fertilizer which has a pattern of fast nitrogen mineralization, medium and slow. This research was conducted through experimental methods in greenhouse Faculty of Agriculture of Gadjah Mada University from November 2012 until May 2013. Experiments using randomized completely design (RCD), consisting of 1 factor and 3 replications. These factors is incubation organic fertilizer in soil organic lowland, consisting of 10 types: Callyandra callothyrsus, Leucaena leucocephala, Sesbania grandiflora, Albizia falcata, Cassia siamea, Gliricidia sepium, Samania saman, Herocarpus indica, manure, and control (without organic fertilizer). The results showed that the use of organic fertilizers can improve the content of N-available in the soil as compared to manure and without organic fertilizer. In general, the pattern of nitrogen mineralization of organic fertilizers on soil organic lowland started 3 weeks after incubation and increased up to 9 weeks after incubation, and then decreased 12 weeks after incubation period. Sesbania grandiflora, Gliricidia sepium and Leucaena leucocephala, respectively, have the character pattern nitrogen mineralization fast, medium and slow.Keywords: organic fertilizers, N mineralization, soil organic lowland
ESTIMASI KANDUNGAN KARBON POHON MAHONI (Swietinea macrophylla, King) PENYUSUN HUTAN RAKYAT BERSERTIFIKAT SVLK (SISTEM VERIFIKASI LEGALITAS KAYU ) (Studi Kasus di PPHR Lawu Lestari Kecamatan Panekan Kabupaten Magetan) Setyo Martono, Djoko; Rahayu, Sri
JURNAL AGRI-TEK Vol 17, No 2 (2016): JURNAL AGRI-TEK
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Abstract

The community forest plays an important role to reduce greenhouse gas emissions because forests can absorb carbon dioxide in the air which is then storing in the tree. Measurement of the amount of C stored in the body plant life (biomass) in a community forest can describe the amount of CO in the atmosphere is absorbed by plants. Research activities aimed to estimate how much carbon stocks in mahoni trees in public forests certified SVLK (Timber Legality Verification System). The method used is the manufacture destruction allometric equations with the method of mahoni tree species. The location of research conducted in the area of community forests managed by the Forest People’s Association business (PPHR) Lawu Lestari, district Panekan, Magetan. With an area of 192.16 hectares and spread over three (3) villages namely Ngiliran, Jabung and Bedagung and already getting sertivikat SVLK Certification Body PT SGS Indonesia on December 4, 2013. The amount of the percentage of biomass per tree parts from the greatest is the rod 54.07%, 22.02% Branches and twigs, roots 13.21% 10.70% last leaf. Model equation for estimating the amount of carbon content mahogany Y = 48,389 d 2,443 .Keywords: carbon content; mahoni; community forest; wood Legality 
Pemodelan Metode Time-Driven Activity Based Costing (ABC) Dalam Sistem Just-In-Time (JIT) Untuk Estimasi Biaya Produksi (Studi Kasus di Laboratorium Fakultas Teknik Universitas Merdeka Madiun) Anisa, Nurfa
JURNAL AGRI-TEK Vol 16, No 1 (2015): JURNAL AGRI-TEK
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Abstract

Time-Driven Activity Based Costing (ABC) is a method that models the relationship between product and resources used, where the time-driver (duration) of an activity which becomes measuring rod. The purpose of this research make modeling methods Time-Driven ABC in JIT system, and then estimate the costs incurred in activities on production floor in JIT system. The research was done on production floor assembly department (assembly). Processing and analysis of data is done by identifying JIT system and calculate the estimate cost of production through a mathematical model that is commonly used in the implementation of ABC method, then modified according to conditions in rigorous object that is representation of JIT system. The result showed the estimated cost of production in shop- floor assembly process more measurable with Time-Driven ABC approach. It can be seen on Conventional ABC production processes Rp 1.900,00, while Time-Driven ABC Rp 1.663,00. Time-Driven ABC provide information about the amount of capacity utilization as indicated by used-capacity Rp 565.187,04 and unused-capacity Rp 80.182,96. Also showed the cost for each activity assembly process at family-product in JIT system based on activity cost driver rate Rp 1.584,00/menit.Keywords: Conventional ABC, Time-Driven ABC, JIT system, Activity Cost Driver
VOLUME POHON BERDIRI PETAK 3a, RPH SALAM. BKPH LAWU UTARA. KPH LAWU DS Sulistiono, Aris; Rohmatiah, Ahadiati
JURNAL AGRI-TEK Vol 17, No 1 (2016): JURNAL AGRI-TEK
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Abstract

Wood is still an important product in forest management activities, therefore the tree volume estimation, measurement of the dimensions of the tree must be done carefully in order to obtain an accurate estimate of the volume of trees that are approaching the estimated volume of the actual volume value. Quality allegations tree volume depends on several factors, including: the level of accuracy desired, tree characteristics, measurement methods, tools used, the current state of the tree dimensional measurement and volume equation used. Estimation of the volume of standing trees research is done in pine plantations (Pinus Jung et de Vriese), in plot 3 a RPH Salam, BKPH North Lawu, KPH Lawu DS, Class VIII KU Forest planting year 1971. Selection of forest class (KU) VIII in this study caused the average grade woods RPH Salam entry into VIII KU and KU logging targets became possible when the time has been unproductive in producing. sap. From the research, the calculation of total sample volume manually tree stand at 171.92 m3 or an average of 2,097 m3 / tree with a minimum volume of 0562 m3 and a maximum of 6.773 m3. Based on the criteria of R2, RSS and SE then elected volume prediction model is Model quadratic equation Y = -1.157 + 2.606 + 15.056 dbh dbh2 .. R2 = 0.996, RSS = 0.1078, SEE = 0107. In calculating the volume using quadratic models shows that the total volume of 82 samples obtained tree volume amounted to 171.87 m3 models or an average of 2,096 m3 / tree. The minimum volume of 0,550 m3 and a maximum of 6.473 m3. Based on t test. test found that t value of 0.053 while t table at 82-1 df = 81 5% (α = 0.05) of 1.615, t (<) is smaller than t table so there is no difference sigifikan / evident between calculations manual volume with the volume calculation using a quadratic models.Keywords: Tree volume, dbh, tree height, form factor, taper function, importance sampling, centroid sampling. 
RESPON PERTUMBUHAN DAN PRODUKSI JAGUNG TERHADAP PUPUK HIJAU KRINYU (Chromolaena odorataL.) Bintoro Hari Larmintho, Rudy
JURNAL AGRI-TEK Vol 19, No 1 (2018): JURNAL AGRI-TEK
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Abstract

The purpose of this research is to determine the effect of green krinyu (Chromolaena odorataL.) On the growth and production of maize (Zea mays L). Research begins in early January 2018 to March 2018 with high rainfall and wind conditions. The materials used in this research are DK3 corn variety, krinyu residue (leaf and branch), urea fertilizer, SP-36 and KCl fertilizer, Delsene 80 WP fungicide to control fungi. This research uses Non-Tactile Group Randomized Designs: T1 = N0P0K0, T2 = Kirinyu, T3 = Kirinyu + N0P60K45, T4 = Kirinyu + N60P60K45, T5 = Kirinyu + N120P60K45 and T6 = N120P60K45 with Krinyu Requirement 18.75 ton / ha, Urea 300 kg / ha, SP-36 100 kg / ha and KCl 100 kg / ha. The findings show that the application of krinyu green manure has no significant effect on all observation variables. However, the real perception of plant height parameters of 5 MST and 7 MST. Keywords: krinyu green manure (Chromolaena odorata L.), growth and production of maize (Zea mays L).
KERAGAMAN BIOPELET LIMBAH TANAMAN PADI (Oryza sativa sp) SEBAGAI ENERGI ALTERNATIF RAMAH LINGKUNGAN GA, Praptiningsih; Nuriana, Wahidin
JURNAL AGRI-TEK Vol 15, No 2 (2014): JURNAL AGRI-TEK
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Abstract

The abundance of rice straw and rice husks in Indonesia is a potential source of biomass that can be converted into biomass pellet (biopellets).. Pelletization can improve the quality and burning characteristic of the biomass. Bio-pellet is an alternative energy that can substituted low grade coal from biomass sources. The purpose of this study is to improve the quality of biopellets. Pellet made with some variation of the biomassa. Biopellet consists of a mixture of the rice straw and husks, the rice straw and bran, the rice husks and bran with a ratio of 1 : 1. The test of biopellet included moisture content, volatile matters, ash, substances, fixed carbon, and calorific value. The results showed a mixed type of biomassa affects the characteristics biopellet. Based on the physic chemical properties, biopellet of the husk+bran mixture and the rice straw + bran have better quality than other biopellet. The biopellet of husk +bran has 4138 kcal/kg of calorific value. The biopellet of the straw+bran have the lowest consumption rate that is 0.60 kg/h. Additionally, the biopellet of the straw+bran has 3223 kcal/kg of calorific value.Keywords : straw, biomass, biopellet, alternative energy
Inokulasi Macam Implant Pada Berbagai Media Jamur Tiram Putih (Pleorus Ostreatus) Dalam Menghasilkan Bibit Berkualitas Dan Berviabilitas rahayu, Sri
JURNAL AGRI-TEK Vol 18, No 2 (2017): JURNAL AGRI-TEK
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Abstract

The development of the productivity of the fungus is highly determined by the quality of the seed. Problems in dealing with the real poor quality of seedlings obtained from seeds of pensupply farmers. Research objectives produce quality seeds and berviabilitas. The research was carried out in a laboratory tissue culture Faculty of Agriculture Merdeka University Madiun research methodology using Randomized Factorial Design comprised 9 one factor treatment was repeated three times with the number of sample 5. The treatment consists in J1 (sengon sawdust Media 25 grams of yeast stems inoculated), J2 (sengon sawdust media 25 grams of yeast stems inoculated), J2 (sengon sawdust media 25 grams of yeast stems inoculated), J3 (media 50 grams of maize seeds inoculated Hood mushroom), J4 (media 50 grams of maize seeds inoculated mushroom seeds F1), J5 (Media 50 grams of maize seeds inoculated mushroom hood), J6 (media 50 grams of maize seeds inoculated mushroom hood), J7 (75 grams of grain-grain media inoculated mushroom seeds F1), J8 (media empty 75 grams of grain seeds inoculated fungi F1), J9 (75 grams of grain-grain media inoculated mushroom seeds F). The observation parameter consists of a growing number of speeds miselia, miselia, miselia long and wide spread of miselia. Diversity analyzed data collection results by test Duncan't 5% as well as a diagram of the proliferation developments. Results: treatment Application J5 (50 grams of corn Media inoculated with mushroom hood implants) showed the highest average percentage growing speed parameter miselia 2 weeks after inoculation of 67.92%. The application of treatment J5 (50 grams of corn media inoculated with mushroom stem implants) showed the highest average value on quality parameters of growth miselia age 4 weeks after inoculation: miselian grow very dense growth of thickness parameter miselia 2 weeks after inoculation of wide spread and parameter 35.11 miselia 3 weeks after inoculation of 90.92 cm2Keywords: white Oyster Mushrooms, Miselia media, sawdust, corn and corn grain.
Analisis Ekonomi Usaha Wanatani Di Kawasan Hutan Rakyat Kecamatan Gemarang Kabupaten Madiun Susanto, Anang; Sulasno, Sulasno
JURNAL AGRI-TEK Vol 15, No 1 (2014): JURNAL AGRI-TEK
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Abstract

Perennials in the area of planted forest folk are usually smaller in extent than the seasonal crops planted , so the most it can do the mixing plant communities with seasonal annual plants in the same region and are on the land . , Preservation activities by managing vacant land . This study aims to : 1.Menghitung feasibility of agroforestry on public lands .2 . Knowing strata of society with the land tani.Luas wana program is divided into three strata . The division of the land area strata based on the average land ownership in Java are narrow . The third stratum : 1.Strata 1 with a land area of less than 0.25 ha of land 2.Strata 2 with 0.5 to 1 ha 3.Strata 3 land area of more than 1 ha results in this study were able , Net Present Value ( NPV ) / Net Value for strata I Rp . 14,869,064 while stratum II Rp . 8,803,698 , and for the third strata of Rp . 35,129,500 , - , Benefit Cost Ratio ( BCR ) of 5.85 for strata I , II strata of 1.37 and of 2.43 for stratum III Results for , Gain Ratio , Internal Rate of Retrun ( IRR ) of strata I 26 % while for stratum II by 38 % and for stratum III by 31 % refund Analysis Break Even Point ( BEP ) expenditures and receipts strata I can break even in year 3 , while on the second level of expenditures and receipts can break even in year 4 , and the strata III revenues and expenditures break even in 3rd.Keywords : Perennials , strata , farmers , forest land_

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