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JURNAL ILMU PERTANIAN

AGRIUM
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Published by Universitas Muhammadiyah Sumatera Utara

ISSN : 08521077 EISSN : 24427306 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal Ilmu Pertanian "AGRIUM" adalah publikasi ilmiah yang diterbitkan dua kali dalam setahun untuk mengkomunikasikan hasil-hasil penelitian ataupun review yang dirancang sebagai sarana komunikasi untuk para ilmuwan/peneliti yang terkait dengan bidang pertanian.

Arjuna Subject : -

Articles 14 Documents

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Search results for , issue "Vol 18, No 1 (2013)" : 14 Documents clear

PEMBUATAN PATI DARI BIJI DURIAN MELALUI PENAMBAHAN NATRIUM METABISULFIT DAN LAMA PERENDAMAN Budi Suarti; Misril Fuadi; Bachri Harun Siregar
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

This study aims to find the effect of the sodium metabisulfhite and duration in solution for the quality of durian seed flour. This study uses a Complete Randomized Design (CRD) with factorial of two reflicates. Factor I is the number of sodium metabisulfhite (N) which consists of four standards are : N0 = 0 %, N1 = 0,1 %, N2=0,2% and N3 = 0,3%. Factor II is the duration in solution which consists of four standards are L1 = 20 minute, L2 = 40 minute, L3 = 60 minute, and L4 = 80 minute. The parameters observed include : Yield, water contents, carbohydrates,color and aromatic. The study results of sodium metabisulfhite different effect highly significant to the yield, kadar air, carbohidrates, color, and different effect not significant for aromatic. The of duration in solution different effect highly significant to the yield, water content, carbohydrates, color and different effect is not significant for aromatic. Treatment interaction of sodium metabisulfhite and duration in solution effect is not significant.Keywords : sodium metabisulfit, duration in solution, durian seed flour, carbohidrates

PRODUKTIVITAS KLON KARET PADA BERBAGAI KONDISI LINGKUNGAN DI PERKEBUNAN Aidi Daslin
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

Planting of superior clones in plantations have a significant impact in improving productivity. Some clones could show optimal yield when planted in a certain environments but have low productivity in other environments. Indonesia has a wide diversity of environments in order requiring suitable clones for a certain environment. The study was conducted to determine the productivity of some clones in three different environmental conditions on the plantation, which consists of five conventional rubber clones (GT 1, AVROS 2037, RRIM 600, PB 235, PB 260) were planted 1990, six clones of IRR 100 series (IRR 100, IRR 108, IRR 110, IRR 111, IRR 112, IRR 118), and six clones of IRR 200 series IRR (IRR 207, IRR 208, IRR 209, IRR 211, IRR 216, IRR 220) were planted 2004 respectively. The trials were arranged in a randomized block three replication, planting distance of 3.0 x 6.5 m and each plot of 600 trees (12 rows x 50 trees). Observation of latex yield measured in dry rubber productivity (tonnes/hectare). The result showed, there are the differences of clonal response at three locations with different environments in the plantation. The clones of PB 235 and PB 260 have the highest productivity and suitable for the environment I (the low rain fall areas) with yield per hectare cumulative of fifteen tapping years are 30.1 and 29.2 tonnes respectively. Clone IRR 112 had the best cumulative productivity over five tapping years of 8.4 to 9.2 tonnes/hectare and IRR 118 of 7.2-7.6 tonnes/hectare suitable for the environment I and II and IRR 110 had the highest productivity are 8.0 tonnes/hectares is suitable for environment II (optimal condition). Clones IRR 208 and IRR 211 provide the best yield (7.0 to 7.8 tonnes) and suitable for environment I and II, while clones of IRR 209, IRR 216 and IRR 220 is suitable for environment III (high rain fall areas) with productivity 8.0 to 8.5 tonnes. Development of these clones in appropriate planting environment, will increase the productivity of rubber plantations and agribusiness profits.Keywords : Hevea brasiliensis, rubber, productivity, environment, superior clones

PERANAN PROGRAM PENGEMBANGAN USAHA AGRIBISNIS PEDESAAN (PUAP) TERHADAP PENINGKATAN PENDAPATAN PETANI Sasmita Siregar; Gustami Harahap; Evi Erawati Erawati; Yudha Andriansyah Putra
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

This study was conducted to determine the socio-economic developments that occurred after the Rural Agribusiness Development Program (PUAP). Determination of the area is purposive, ie areas that are already running program PUAP by purposive random sampling method sampling (random accident). Results of hypothesis testing known that Rural Agribusiness Development Program provide a positive influence on society, especially in the field of capital. Evaluation of the implementation of the Rural Agribusiness Development program conducted to see the development of the field. Implementation Jeumpa PUAP in Kuta village is still in the form of Gapoktan and has not developed into MFIs. Rural Agribusiness Development program that BLM PUAP, Guidance Counseling, and Loan Repayment PUAP BLM greatly influence the attitudes of farmers and developing a Rural Agribusiness Program (PUAP) can provide improved field of farmer income increased by 0.16%Keyword : PUAP

ANALISIS FAKTOR – FAKTOR YANG MEMPENGARUHI PRODUKSI JAGUNG Akbar Habib
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

The experiment was conducted using the case study method. Aims to analyze how much influence the use of factors of production, namely land area (X1), seeds (X2), fertilizer (X3), the production of maize (Y). Value of coefficient of determination (R2) in this study was 0.99, meaning that the influence of the factors of production to production can be explained by the four independent variables (X) of 99%, the rest is explained by other factors outside of the study. F value - count 19.45> F-table at 2.78 level of 95% thus H1 is accepted and H0 is rejected. Simultaneously means there is a real influence among broad land, seed, fertilizer, and labor to the production of corn. Partially significantly affect seed production, while the area of land, fertilizer, and labor did not significantly affect corn production. From the calculation results obtained scale RTS value = 0.98, thus smaller than the RTS (εp <1) then this indicates a state of decreasing returns to scale, which means additional input of land, seed, fertilizer, and labor respectively - each additional 1% exceeded production by 0.98%.Keywords: factors of production, production, Return to Scale

KAJIAN KANDUNGAN SENYAWA PHENOL DAN SENYAWA PAH PADA ASAP CAIR CANGKANG KELAPA SAWIT (ACCKS) REDESTILASI YANG DIHASILKAN PADA TEMPERATUR TINGGI Desi Ardilla; Muhammad Thamrin; Basuki WS; Eddiyanto ,
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

Pyrolysis process is carried out in this study using a furnace, the temperature is set ranging from 600,700,800,900 ᵒ C using condenser cooling spiral type. Liquid smoke oil palm shell (ACCKS) produced centrifuge with speed 380 rpm for 30 min, filtered through filter paper and distilled at a temperature of 125 ᵒ C for 20 minutes ACCKS redestilasi analyzed the content of the compound phenol compound and polycyclic aromatic hydrocarbons (PAH) using a GCMS.To temperatures of 600 to 900ᵒC was not identified PAH compounds and the higher the temperature the lower the phenol compounds whereas the higher acetic acid compounds.Keuwords: ACCKS redestilation, phenol content, PAH, quality

ANALISIS USAHATANI UBI KAYU (Manihot utilissima) Muhammad Thamrin; Ainul Mardhiyah; Samsul Efendi Marpaung
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

This research was conducted to know the effect of production factors (land, seeds, labor, and fertilizers) on the cassava farming income, to know the feasibility of the cassava farming. Census method is used on this research, took all the population of the sample through the method of Cobb-Douglas analysis of, Descriptive and R / C ratio. The results of the research of land variable, seeds, labor and fertilizers significant effect and simultaneously (synchronously) to the income of the cassava farmers. In partial significant effect of land variable. Meanwhile the variable of seeds, labor and fertilizers had no significant effect on the the cassava farming income. Based on the analysis of the R / C ratio with a value of 7.5> 1, the cassava farming in the area of research deserves to be developed.Keywords : analysis, income, farming

PENGARUH PEMBERIAN LIMBAH CAIR TAHU DAN PUPUK UREA TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN KEDELAI (Glycine max L.(Merill) Efrida Lubis; Darmawati ,; Mhd Arif Hidayat Srg
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

This research aims to determine the effect of waste water Soyabean and Urea fertilizer on growth and yield of soybean (Glycine max L.(Merrill). Implemented on Jl. KusumaSampali District of Percut Sei Tuan Medan, with altitude of ±25meters above sea level in April toJuly 2013 with a randomized block design (RBD) Factorial. factorthe firstisthe Liquid Waste Soyabean(T) consists of 3 levels is to (without giving) T1(7.5 ml/plot) and T2 (15 ml/plot). Factor both is Urea Fertilizer(U) consists of 3 levels is U0 (without giving), U1(7.5 g/ plant), and U2 (15 g/ plant). Repeated three times. Results of the study that the administration of liquid waste out effect parameters significantly affect plant height, number of branches, days to flowering, weight of 100 seeds. Whereas urea fertilizer and their interaction effect did not differ significantly affected parameters, number of branches, days to flowering, number of podsper plot, weight of 100 seeds.Keywords: waste water soyabean, urea fertilizer, growth, product

RESPON PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG (Zea mays L.) TERHADAP PEMBERIAN PUPUK KANDANG AYAM DAN PUPUK ORGANIK CAIR PLUS Hadriman Khair; M.Syufrin Pasaribu; Ebdi Suprapto
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

This study aims to determine the growth and yield response of corn ( Zea mays L. ) on chicken manure and liquid organic fertilizer plus . The design used was a Randoimized Block Design Factorial with two factors studied, namely : Chicken Manure Factor ( K ) consists of 3 levels and consists of K0 = 0 kg / plot , K1 = 1.5 kg / plot and K2 = 3 kg / plot. Factor Plus Liquid Organic Fertilizer ( Sea Horse Star ) ( B ) is divided into 4 levels without giving B0 = B1 = 3 ml / l of water , B2 = 6 ml / l of water and B3 = 9 ml / l of water. The parameters measured were plant height ( cm ), number of leaves ( blade ), days to flowering ( days ), ear length ( cm ) , cob weight per sample ( g ), weight of cobs per plot ( kg , number of seeds per cob ( seed ) and dry weight of seeds per plot ( g ). Key words: Growth, response, corn, organic, fertilizer

MODIFIKASI PROSES PEMBUATAN KARET ALAM SIKLIS (CYCLIC NATURAL RUBBER) MELALUI REAKSI PEMUTUSAN RANTAI (CHAIN SCISSION) DAN SIKLISASI Eddyanto ,; Yuslina Wati Ardina; M. Said Siregar
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

Cyclization of natural rubber has been carried out by the chain scission process preceded earlier. Chain scission process performed in a solution of phenol at a temperature of 1800C by using Brosse method, oxidation reaction with fenilhidrazin and oxygen . While the cyclization of natural rubber was conducted by Tutorskii method , using lewis acid catalyst, P2O5. Characterization of raw materials and products of the chain scission and cyclization performed by infrared spectroscopy analysis. The infra red spectra showed the strong peak at 2925 cm-1 and 1446 cm-1 , reduced absorption at 1600s cm-1, the emergence of a new peak at 757 cm-1 and a weaker absorption peak at 835 cm-1. The absorption peaks of cyclic natural rubber of crumb rubber ( SIR - 10 ) also changed . The results showed that the percentage of chain scission were 13.1 % on the latex and 2 % on the SIR - 10 . While the percentage of cyclization yield of latex and SIR - 10 were 22.8 and 73.1 %, respectively.Keywords : cyclic natural rubber, chain scission, cyclization

PENGARUH BERBAGAI JENIS BAHAN PEMBENAH TANAH TERHADAP INFEKTIVITAS BAKTERI RHIZOBIUM YANG BERSIMBIOSIS DENGAN KEDELAI PADA GAMBUT Nurhayati ,; Razali ,
AGRIUM: Jurnal Ilmu Pertanian Vol 18, No 1 (2013)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

The peat soil is very potential to be developed, but in other side, the peat soil has some problems that so complex, namely the ugly physical characteristic, chemical and biological, in that case, to use as a farmland, some of its characteristic that influence on the plants need to be repaired. The purpose of this research to look at the influence of some soil repairer materials types to the infectivity of Bradyrhizobium. The research was conducted in the greenhouse of the USU Agriculture Faculty since March to November 2008. This research uses the non-factorial completely randomized design which consists of 13 treatments and two repeats. The treatments tested include, control (A0), dolomite lime (A1), sea mud (A2), lime + sea mud (A3), Bradyrhizobium (A4), mos (A5), Isolates mycorrhizal of peat soil (A6), isolates mycorrhizal of the mineral soil (A7), Bradyrhizobium+mos (A8), mos + Isolates mycorrhizal of peat soil (A9), mos+ isolates mycorrhizal of the mineral soil (A10), Bradyrhizobium+mos+ Isolates mycorrhizal of peat soil (A11), Bradyrhizobium+mos+ Isolates mycorrhizal of mineral soil (A12). The variable observed that is amount of root nodules / pot. The variable is analyzed non-factorial with the Excel program, the further testing of DMRTI. The research result for giving various types of soil repairer materials very significant effect on the amount of root nodules / pot. Key Words: Peat soil, soybean, Bradyrhizobium, infectivity

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