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INDONESIA
Jurnal Agroteknotropika
Published by Universitas Negeri Gorontalo
ISSN : 22523774     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Media Publikasi dan Komunikasi Ilmiah bidang Ilmu Tanah, Agronomi dan Hama Penyakit Tanaman.
Arjuna Subject : -
Articles 14 Documents
 1   2 
Inventarisasi dan Analisis Identifikasi Penggunaan Lahan Berdasarkan Tumpang Tindih Lahan Kontrak Karya pada PT. Gorontalo Mineral Halid, Amir; Fauzi, Akhmad
Jurnal Agroteknotropika Vol 1, No 1, 2012
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Abstract

Bone Bolango region located in Gorontalo Province covers an area of 188,006.43 ha which consist of 142,664.38 ha (75,88%) forest and 45,326,5 ha (24,22%) is regional estated. The regency is endowed with rich mineral resources, yet it finds some difficulties in planning and developing ist regional economics, such as how to arrange the regional planning which is based on existing land. The government has already issued licences for optimalyzed the resource for a mining company (kontrak karya). This condition has created un-fair competition between government and society and also society and company which tend to create conflicts over resurces. This case emerged when there was institutional vacuum particularly from forestry Department as the forestry national utirization also the company who has a licency of mining consetion. The Illegal Mining activities, agriculture, garden, and region estated is developing and become informal institutional or shadow economy to fulfil the uncertainty of resources outority from the nation.
Pengaruh Dosis Formula PGPR Asal Perakaran Bambu terhadap Pertumbuhan Tanaman Tomat (Solanum lycopersicum syn) Iswati, Rida
Jurnal Agroteknotropika Vol 1, No 1, 2012
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Abstract

This study aims to determine the effect of different doses of PGPR formula from bamboo roots on the growth of tomato. Research using experimental methods in the screen house the Faculty of Agricultural Sciences and its lay out according to randomized complete design with five treatments namely doses 0; 2.5; 5; 7.5, 10 and 12.5 ml of PGPR and each treatment was repeated 4 times. Indicators measured were plant height, leaf number, root number and length. The results showed that plant height and root length increased with increasing dose while the number of leaves and roots showed the highest yield at a dosage of 7.5 ml.
Pematahan Dormansi Benih Kemiri (Aleurites moluccana, L. Willd) yang Direndam dengan Zat Pengatur Tumbuh Organik Basmingro dan Pengaruhnya terhadap Viabilitas Benih Husain, Indriati; Tuiyo, Rully
Jurnal Agroteknotropika VOL 01, NO 02, 2012
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Abstract

This study aims to determine the breaking dormancy of candleberry seeds which soaked with organic growth regulator Basmingro and its effect on seed viability. Research will be carried out in Limba U2, South City, Gorontalo City, for about 6 months. The materials used are candleberry seeds, organic PGR Basmingro. Candleberry seed soaked in a solution of organic PGR Basmingro in 5 treatment concentration (control (without PGR); PGR 0.02%, 0.03%, 0.04% and 0.05%) and 4 replications. Data were analyzed quantitatively by using Environmental Design Complete Randomized Design (CRD) and analysis of variance (ANOVA). Data are significantly different tested further by Duncan Multiple Rate Test (DMRT). The results are not significantly different, because no germination of candleberry seeds, caused by yet influential PGR is treated to break dormancy due to hard seed coat seed candleberry. So that further research needs to be done by increasing the dose and duration of soaking candleberry seeds with PGR organic Basmingro.
Eksplorasi Agens Biokontrol Phytophthora Palmivora Penyebab Penyakit Gugur Buah Kelapa ., Asnawi; Iswati, Rida; Motulo, Hiasinta F. J
Jurnal Agroteknotropika VOL 01, NO 02, 2012
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Abstract

The research aims to obtain isolates from rhizosphere biocontrol agents that can inhibit the development coconut pathogen P. palmivora causes nutfall disease. The experiment was conducted in the laboratory Phytophatology Manado Palm Research Institute, isolation method with biocontrol agents and test the ability of antagonistic biocontrol agent against pathogenic isolates of P. palmivora in vitro. Obtained 30 isolates candidate biocontrol agent consisting of 17 isolates of bacteria and 13 fungal isolates. Of the 30 isolates were obtained six isolates were able to suppress the growth of pathogenic P. palmivora with a percentage of the inhibition of BHP2 80.89%, 41.27% BH2P4, TBL1P3 22%, BKN2P1 47.71%, 64.25% and isolates TBL2P3 TontaP3 of 72.66%.
Morfologi, Sifat Fisik dan Kimia Tanah Inceptisols dari Bahan Lakustrin Paguyaman- Gorontalo Kaitannya dengan Pengelolaan Tanah ., Nurdin
Jurnal Agroteknotropika Vol 1, No 1, 2012
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Abstract

The Inceptisols has potential for upland agroculture, but it has problems in the field. Identification and soil characterization was need for mismanagements. Research aimed to indentify the Inceptisols characteristic derived from lakustrine as based of soil managements. Two pedons from Paguyaman of Gorontalo Province were studied both in field and in the laboratory. Twelve soil samples were analyzed for physical and chemical properties. The result of this research showed that the soil morfology of Paguyaman Inceptisols has horizon of arrangement was Ap-Bw and Ap-Bw-Br with different soil depts. Soil matrix color of two pedons dominantly of brown that indicated of B cambic horizon has formed but has not argillic horison. All pedon finded of ocrich epipedons, therefore the soil classify as Typic Eutrudept, fine loamy, smectitic, isohypertermic (PLKS) and Typic Eutrudept, fine, smectitic, isohypertermic (PLKM). Inceptisol was forming way of pedoturbation and lessivage process where done clay and C-organic movements, ground water finded in 100 cm soil depts to half time in a years and base saturation ? 60%. This Inceptisol has loamy of textures, acid until alkalis of soil pH, moderately of nutrient stock and cation exchange capacity moderate until high value. These carracteristics indicated that this soil has potential for food crop cultivations. Therefore, the pedon PLKM more potential than pedon PLKS
Serapan Hara N, P dan K Tanaman Jagung (Zea mays L.) di Dutohe Kabupaten Bone Bolango Mayang, Hariyanto; ., Nurdin; Jamin, Fitriah S.
Jurnal Agroteknotropika VOL 01, NO 02, 2012
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Abstract

This study aimed to determine the N, P, and K nutrients uptakes of maize crops in Dutohe of Bone Bolango regency. Te research was carried out in Dutohe Village of Kabila Distric of Bone Bolango regency for about 6 months. The experimental design was following randomized block design that consist of 4 treatments (P+K, N+P, N+K) with 3 replications, so there are 12 plot units. Dosages of each treatment were 160 kg Urea, 54 kg TSP, and 90 kg KCl. The result from the experiment showed that minus one test has not significant effect to N and P uptakes, but has significant effect to K uptake.
Uji Kurang Satu Pupuk N, P, dan K terhadap Pertumbuhan Jagung di Dutohe Kabupaten Bone Bolango ., Hermanuddin; ., Nurdin; Jamin, Fitriah S.
Jurnal Agroteknotropika VOL 01, NO 02, 2012
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Abstract

The aim of this study was to determine (1) the effect of N, P, and K fertilizers on the maize growth and (2) the best treatment combinations on the maize growth. The fertilizers method using minus one test in randomized block design pattern with four treatments and three replications. Dosages of each treatment were 160 kg Urea, 54 kg TSP, and 90 kg KCl. The results of this research showing that the minus one test of N, P, and K fertilizers has significant effect to plant high on 14 days after planting (DAP), 42 DAP, and 56 DAP, but has not significant effect on 28 DAP. This pattern was the same with leaf color parameters. , for leaf numbers has significant effect on 28 DAP only. The best treatment combination was N+K treatment or minus P.
Penentuan Masa Tanam Jagung (Zea mays L.) Berdasarkan Curah Hujan dan Analisis Neraca Air di Kabupaten Pohuwato Musa, Nikma
Jurnal Agroteknotropika Vol 1, No 1, 2012
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Abstract

The aimed of this research was to determining of maize growing periods based on rainfall and water balance analysis in Pohuwato Regency. Identify agro-climate and climate interpretation of data based on years of observation during 1994-2008. The evapotranspiration using methods Blaney-Criddle measured with the water temperature and latitude as prime criterions. The result showed that the annual rainfall was 1.382 mm-1 year. Variations in rainfall ranges from 48.40 mm to 203.11 mm. the lowest rainfall in August and highest in January. The results of calculation of the year every decade showed that the highest rainfall is in the third decade (75.78 mm) in January and the lowest rainfall is in the decade of 23, 24, 26, 27, 29 (11-16 mm) in August, September and early October. Data obtained from the calculated potential evapotranspiration, the highest 60, 64 mm/decade or 170.903 mm/month. Based on the analysis of water balance 0.5 ETP and rainfall (P), then look rainfall values exceeding 0.5 ETP in January until mid-July and early November to December, so that in the months that have a surplus of water, with thus in the months which will serve as the initial basis of the growing season. Late July to late October water deficit. The analysis showed Plant period available for the maize crop in the region Pohuwato in November too early or mid-July and planting can be done three times by the age of the plant is 80-110 days.
Pengaruh Giberelic Acid terhadap Perkecambahan Embrio Kelapa Genjah Salak Abdurahman, Mey Nurlaila; Musa, Nikmah; Pembengo, Wawan
Jurnal Agroteknotropika VOL 01, NO 02, 2012
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Abstract

The aim of this study was to determine the effect of plant growth regulators GA3 administration of early maturing coconut embryo germination Salak (GSK) is not yet mature and to know the germination rate and germination, the embryo early maturing coconut Salak (GSK) is not yet mature. The method used in this research using Complete Randomized Design (CRD) with six treatments and three replications. Each treatment used 10 embryos that embryonic research is needed 180 Coconut GSK. The results indicate that the substance of growth regulators GA3 greatly affect the speed of germination and embryo germination of immature coconut GSK (which comes from the age of nine months). and the concentration of GA3 70 ppm gave the optimal results of germination rate, concentration of GA3 50 ppm to 80 ppm gave the same results germination
Induksi Protocorm pada Eksplan Bawang Putih pada Media MS Minim Hara Makro dan Mikro yang Ditambahkan Air Kelapa Husain, Indriati
Jurnal Agroteknotropika Vol 1, No 1, 2012
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Abstract

This research aims to determine the occurrence on induction of protocorm in garlic on the media MS minimal macro and micro nutrient added coconut water. The materials used are garlic, coconut water and nutrient minimal macro and micro. The result was the establishment of direct induction of green protocorm from garlic explants. Conclusion of this research is the addition of 15% coconut water in medium MS minimal macro and micro nutrient can induce formation of protocorm directly from garlic explants.

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