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Jurnal Solum
Published by Universitas Andalas
ISSN : 18297994     EISSN : 02560835     DOI : https://doi.org/10.2057/jsolum
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Focuses and scopes of Jurnal Solum is to publishes all aspects in the original research of soil science or review covering: Soil physic and soil conservation, Soil mineralogy, Soil chemistry and soil fertility, Soil biology and soil biochemical, Soil genesis and classification, Land survey and land evaluation, Land development and management environmental.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Tanah
Articles 6 Documents
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Search results for , issue "Vol 15, No 2 (2018): JURNAL SOLUM" : 6 Documents clear
PERTUMBUHAN PADI GOGO DI MEDIUM ULTISOL DENGAN PEMBERIAN CAMPURAN FOSFAT ALAM DAN COCOPEAT PADA DUA KONDISI KADAR AIR Pedri Antoro; Nelvia Nelvia
Jurnal Solum Vol 15, No 2 (2018): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.349 KB) | DOI: 10.25077/jsolum.15.2.60-65.2018

Abstract

The main problem of upland rice cultivation in Ultisol are fixation of P, solubility and saturation of Al are the height and water content is low. The research aim to study the effect of interaction of application of mixture of cocopeat with rock phosphate (RP) on growth of upland rice in Ultisols medium at two water content condition. The research  was conducted at the Green House of the Faculty of Agriculture, University of Riau, Pekanbaru from February to July 2017. This research in form factorial experiment was arranged in a completely randomized design. The first factor was mixture of RP with cocopeat consist of 7 levels (0, 30, 45 and 60 kg P2O5/ha each dose + cocopeat dose 10 tons/ha and 30, 45 and 60 kg P2O5/ha without cocopeat). The second factor was water content consists of 2 levels (field capacity and 25% under field capacity), each combination repeated 3 times. The results show the application of rock phosphate dose of 30 kg P2O5/ha + 10 tons cocopeat/ha or without cocopeat increased the growth of upland rice include plant high, number of maximum tiller and productive tiller and dry weight of straw compared to without RP both on the field capacity and 25% below field capacity condition, the increasing of RP dose to 45-60 kg P2O5/ha tended to increase each parameter.Key words : rock phosphate, water content, cocopeat, upland rice.
EVALUASI KESESUAIAN LAHAN PERTANIAN PADA AREAL PENGGUNAAN LAIN UNTUK TANAMAN KOPI ARABIKA(Coffea arabica L.) DI KECAMATAN SALAK KABUPATEN PAK-PAK BHARAT Budi Hartono; Abdul Rauf; Deni Elfiati; Fitra Syawal Harahap; Simon Haholongan Sidabuke
Jurnal Solum Vol 15, No 2 (2018): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (918.088 KB) | DOI: 10.25077/jsolum.15.2.66-74.2018

Abstract

Based on the Decree of the Minister of Forestry Number. 44 of 2005 on Appointment of Forest Areas in North Sumatra Province. The total area of forest in Pakpak Bharat Regency based on the decree is 120,711 ha (88.60% of the total of Pakpak Bharat Regency), with details 1) Natural Forest Reserve 4.36%, 2) Limited Production Forest 41.95%, 3) Protection Forest 34.61%, 4) Forest Production 7.68%. Subsequently, the Decree was revised with Decree No. Menhut. 579 / Menhut-II / 2014 in accordance with the proposed revision of forest area by Pakpak Bharat government. With the decree, the forest area released into Other Use Areas (APL) is only a small portion of the proposed area so that APL Land Use (Area of Other Use) in Salak Sub-district needs to be supported with information on land suitability of course very potential land to be utilized in activities cultivation of agriculture, with the hope that productivity can improve the welfare of local people who mostly work as farmers. The objectives of this study were to evaluate the characteristics of the APL land suitability level, to analyze improvement efforts to increase productivity, and to map actual land suitability and potential land suitability for coffee crops on APL land in Salak Subdistrict. The research method used survey method. Unit unit of land based on land map, slope slope map, altitude map, land cover map, and consists of 8 land units and 18 sampling points. Research data were analyzed using matching method. Research results Limiting factors and improvement efforts of plant commodities Coffee Plant (Coffea arabica L.) Rooting factor factor (rc) and nutrient retention (nr). Improvement efforts that can be done is making drainage and calcification CaCo3Key words : Land suitability, Coffee, District Salak
APLIKASI RHIZOBAKTERI PEMACU TUMBUH (RPT) DARI AKAR TITONIA (Tithonia diversifolia) TERHADAP PERTUMBUHAN STEK MELATI (Jasminum officinale) PADA ULTISOL Agustian Agustian; Anisah Permata Sari; Lusi Maira
Jurnal Solum Vol 15, No 2 (2018): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (504.175 KB) | DOI: 10.25077/jsolum.15.2.75-82.2018

Abstract

Jasmine plant is a horticultural crop that has promising prospect to be developed in trading. The development of jasmine cultivation is determined by the quality of seedling that can be produced rapidly for planting in the field. The purpose of this research is to study the effect of application of Plant growth-promoting rhizobacteria (PGPR) from titonia root (Tithonia diversifolia) in increasing the growth of jasmine cuttings (Jasminum officinale). This experiment used Completely Randomized Design (RAL) which consists of 7 treatments with 5 replications. The treatments were: A (control), B (Growtone), C (Growtone + 1 ml PGPR), D (Growtone + 2 ml PGPR), E (Growtone + 4 ml PGPR) , F (Growtone + 6 ml PGPR) and G (Growtone + 8 ml PGPR). Data obtained were analyzed statistically with F test at 5% level. The results showed that the application of PGPR can increase the growth of jasmine cuttings. However, the increase in PGPR dose did not have a significant effect on the increase of leaf number, branch number and height of jasmine cuttings. The highest number of leaves, branch and plant height at two months seedling age were found in treatment (C) 1 ml PGPR with 48.60 leaves, 5.80 branch and 22.90 cm plant height that significantly different from other treatments,. Treatment (D) 2 ml PGPR application increased the population of P solubilizing bacteria in rhizosphere from 2.59x104 cfu/g of soil at control to 5.05x105 cfu/g soil and fixing bacteria N (Azospirillium) 3x104 cfu/g soil to 1.41x105 cfu/g soil and Azotobacter to 1.2x 103 cfu/g soil.Key words : Jasmine, PGPR, cuttings, Ultisol
PEMBERIAN AMELIORAN DAN ISOLAT BAKTERI FIKSASI NITROGEN NON SIMBIOTIK (FNNS) UNTUK MENINGKATKAN PERTUMBUHAN DAN SERAPAN N TANAMAN PADI GOGO (Oryza sativa L.) PADA MEDIUM ULTISOL Yoggie Prathama; Nelvia Nelvia; Al Ikhsan Amri
Jurnal Solum Vol 15, No 2 (2018): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (510.467 KB) | DOI: 10.25077/jsolum.15.2.40-49.2018

Abstract

The need of rice as the staple food of the people of Indonesia has a deficit every year. Upland rice cultivation in dry land such as Ultisols became one of the alternatives to meeting the needs of rice. However, productivity of crop in Ultisols is low because of some problems of acidity and nutrients deficiency. It is necessary input such as ameliorants like biochar cocopeat of oil palm empty bunch compost (OPEBC) and the use of bacterial non-symbiotic nitrogen fixation (NSNF) to fix the problems. The research aims to study the effect of application of ameliorant and suspensions of bacterial isolates of NSNF on growth and N uptake by upland rice in Ultisols medium. The research was conducted at the Green House of the Faculty of Agriculture, University of Riau, Pekanbaru from Mei to September 2017. The research in form factorial experiment was arranged a completely randomized design (CRD). The first factor were ameliorant, consists of six type (biochar, cocopeat, OPEBC, biochar+cocopeat, biochar+OPEBC, each doses 50 g polybag-1 and without ameliorant as a control). The second factor were suspensions of bacterial isolates of NSNF, consists of three levels (10 and 20 ml polybag-1 and without bacterial isolates as a control). The parameters observed were plant height, number of tillers, weight of dry shoot and roots, N uptake by shoot and roots. The results show that the application of ameliorant (biochar, cocopeat, OPEBC, biochar + cocopeat, biochar + OPEBC), each doses of 50 g polybag-1 and suspensions of bacterial isolates of NSNF doses of 0, 10 and 20 ml polybag-1 increased plant height, number of tillers, weight of dry shoot and N uptake by shoot compared to control and the application of without ameliorant with suspension of bacterial isolates of NSNF doses of 0, 10 and 20 ml polybag-1.Key words : biochar, cocopeat, palm oil empty bunch, upland rice, ultisol
EFEK SISA JERAMI DAN TITONIA YANG DIKOMPOSKAN TERHADAP PRODUKSI PADI SAWAH Gusnidar Gusnidar; Syafrimen Yasin; Mimien Harianti; Tutik Oktaviana
Jurnal Solum Vol 15, No 2 (2018): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (502.855 KB) | DOI: 10.25077/jsolum.15.2.83-92.2018

Abstract

The experiment to obtain residue compost of rice straw (S) and tithonia (T) for reduce commercial fertilizers (CF) input and that effect for rice production. This research was arranged in Completely Randomized Block Design (RBD) with three replications of six treatments.  The residue treatments are; A (input Urea 200 kg ha-1 (Ru) + SP-36 100kgha-1 (Rp)+KCl 75 kgha-1 (Rk)), B (Ru+2Rp), C (S  5 tonsha-1+ R), D ( S 5 tonsha-1+Ru+Pstarter (Ps)), E (T, 2,.5 tonsha-1 + J,  2,.5 tonsha-1 + 75%Ru+Ps), F (T, 2,.5 tonsha-1 + J,  2,5tonsha-1 +50%Ru+Ps).   Data of research were statistically analysed.  If the F-calculated was significantly different, they would be further analysed using LSD 0.05. The results showed that residue of T, 2,5 tonha-1 could reduce CF by 50 kg  Ureaha-1 (25% R), 75 kg KCl  ha-1 (100% R) and 90 kg SP-36ha-1 (90% R) with production 6,66 tonsha-1 Husk Rice (HC).  If it is based on farmer tradition, residue of T could reduce CF by 50 kg Ureaha-1 (25% R), and 190 kg SP-36 ha-1 0.95.Key words : compost, residue, rice, straw, tithonia
PENGARUH INOKULASI FUNGI MIKORIZA ARBUSKULA (FMA) PLUS ORGANIK TERHADAP PERTUMBUHAN DAN PRODUKSI JAGUNG PADA ULTISOL Eddiwal Eddiwal; Amrizal Saidi; Eti Farda Husin; Azwar Rasyidin
Jurnal Solum Vol 15, No 2 (2018): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (686.814 KB) | DOI: 10.25077/jsolum.15.2.50-59.2018

Abstract

Mycorrhizal symbiosis increases nutrient uptake for plants, resistance to disease, stabilizes soil aggregates and promotes the growth of soil organisms. Fungal hyphae containing glomalin is essential for soil biological processes because of their interactions with plants, soils, and microbes. Activity of AMF in the area of rhizosphere and mycorizosphere will improve the physical, chemical and biological conditions of the soil, thereby providing a healthy soil environment for plants. How the influence of AMF inoculants plus organic ingredients on growth and production of maize on Ultisol needs to be tested in the field.  The purpose of this experiment is the application of AMF plus organic inoculants to corn planting, to determine the effect on growth and increase of corn production. Experiments using a randomized block design with four groups. The AMF inoculation treatment was the administration of organic plus inoculant from G. luteum (F1), G. verruculosum (F2), G. versiforme (F3), Multi species of AMF (F4) and without AMF inoculation (F0). The results showed that AMF inoculation had significant effect on total glomalin. G. versiforme has the highest total glomalin, which is 10.59 mg.g-1. The effect of AMF species had no significant effect on aggregate stability, but was significantly different from the treatment without AMF inoculation. The effect of AMF on N, P and K uptake is significantly different. The highest dry corn kiln production from G. versiforme, which is 8.07 kg / plot or 4.04 ton / ha, has the same effect as G. luteum (7.98 kg / plot or 3.99 ton / ha) and Multi AMF (7.67 kg / plot or 3.84 tons / ha). Increased production of dried corn plants inoculated with AMF plus organics can reach 40-83% higher than the plants without giving the AMF.Key words : mycorizosphere, productivity, rhizosphere, Ultisol

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