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Jurnal Solum

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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 173 Documents

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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

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

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

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

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

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

APLIKASI LIMBAH CAIR PABRIK KELAPA SAWIT DENGAN METODA BIOPORI TERHADAP PERTUMBUHAN TANAMAN KELAPA SAWIT (ELAEIS GUINEENSIS JACQ.) BELUM MENGHASILKAN Demson Saputra Tambunan; Nelvia Nelvia; Al Ichsan Amri
Jurnal Solum Vol 16, No 1 (2019): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

The wider the area of oil palm plantations in Indonesia, the more palm oil mills will process more oil palm fruit bunches and produce waste one of them is liquid waste. The amount of liquid waste that is more and more if not treated properly will cause environmental pollution. The research aim to study the effect of liquid waste of oil palm factory (LWOPF) with biopori method to the growth of immature oil palm plant. The experiment was conducted in oil palm plantation of Agricultural Faculty of Riau University from May to July 2017. The experiment was arrange drandomized complete design consisting of 13 treatments (without LWOPF; 5; 7.5 and 10 liters LWOPFeachapplied in 1, 2, 3 and 4 biopore/plants), each repeated three times.The parameters observed were plant height, number of midrib, length of midrib, number of leaves, width and length of leaves. The results showed that the application ofLWOPF dose 7.5 liters applied in 4 biopore holes / plants increased addition the number of midrib and the leaves, the width and length of the leaves compared to without LWOPF and the highest than another treatment, but the addition of plant high increased at doses 7.5 liters in 3 biopore/plant and highest than another treatment.Key words : Liquid Wastes of Oil Palm Factory, Biopore Holes, Oil Palm Plants

SIFAT KIMIA TANAH DAN POPULASI KUMBANG TANDUK (Oryctes rhinoceros L.) STADIA PRADEWASA PADA BERBAGAI KEDALAMAN PENEMPATAN TANDAN KOSONG KELAPA SAWIT Hafiz Fauzana; Ayubi Alfasiri; Nelvia Nelvia
Jurnal Solum Vol 16, No 1 (2019): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Oil palm is a very significant industrial plant in producing vegetable oils that require high levels of nutrients in its cultivation. Cultivation of oil palm yield can produce industrial waste, the oil palm empty trunks (TKKS) which have the potential to supply nutrients to oil palm land. The placement of empty trunks at various depths is expected can give effect to the population of Oryctes rhinoceros L pre-adult stage and chemical soil properties. This research was conducted on oil palm plantation in PT. Perkebunan Nusantara V Sei Galuh Tapung, Kampar, Riau from July to October 2017. The aim of this research is to examine the effect of empty trunks placement against the Oryctes rhinoceros L population development and chemical soil properties. This research was done using a randomized experiment design complete with the treatment of the depth empty trunks placement (placement of oil palm empty trunks on the ground at the depth of 10 cm, 20 cm, and 30 cm) which is repeated four times. The observed parameters include the population of infestation of Oryctes rhinoceros L (population of eggs, larvae and pupae) and soil chemical properties (soil pH, C-organic, N-total, P-total and K-total). The results showed that empty trunks placed below the surface at various depths affected the Oryctes rhinoceros L population. Placement of TKKS depth in the soil cannot be infested by Oryctes rhinoceros L. Placement of empty trunks at the depth of the soil tends to increase pH (from very acidic categories to acidic categories) and total K (from the low category to very high category), is not effected on C-organic and N-total and can reduce P-total (from the very high category to the high category) if compared to the placement of empty trunks on the ground.Key words : Chemical Soil properties, Oryctes rhinoceros L., Oil palm Empty trunks, Soil depth

TITONIA DAN JERAMI PADI YANG DIKOMPOSKAN TERHADAP CIRI KIMIA TANAH DAN PRODUKSI JAGUNG PADA ULTISOL Gusnidar Gusnidar; Annisa Fitri; Syafrimen Yasin
Jurnal Solum Vol 16, No 1 (2019): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Ultisol is broad suboptimal soils, need to be developed to increase for foods and animal feeds, but properties of physics and chemistry by the soils bad. This research was aimed to studied the influence of compost derived from titonia plus rice straw in improving chemical properties of Ultisol and corn production. This researh was conducted in glasshouse and Soil Laboratory of Agriculture Faculty, Andalas University, Padang, West Sumatra, Indonesia from January to July 2017. The experiment consisted of 5 treatments (0.00; 2.50; 5.00;7.50; 10.00 tonha-1. with 3 replications. Soil data resulted were compared to the soil criteria, while corn data were statistically analyzed the variance and continued using DNMRT at 0.05 level of significance, if F-calculated > F-table. The results of research showed that optimum dosage for repaired chemical properties of 7,50 tonha-1. It dosage soil pH 6,18 unit; available P by 17,64ppm; CEC by 18,38cmol(kg)-1; organic-C by 1,27%, total-N by 0,23%; K-exch. by 0,49cmol(kg)-1; Ca-exch. by 2,63 cmol(kg)-1; Mg-exch. by 0,57cmol(kg)-1 dan Na-exch. by 0,39cmol(kg)-1, with dry weight of seed by 85,48gpot-1; dry weight of straw by 75,84gpot-1 and dry weight of 100 seed by 25,50g. Key words : Compost derived from titonia plus rice straw, corn, Ultisol.

PENGARUH SEDIAAN SALUT DAN PUPUK ORGANIK CAIR TERHADAP PERTUMBUHAN DAN HASIL KEDELAI (Glycine max L. Merril) Erlinda Erlinda; Jamilah Jamilah; Welly Herman
Jurnal Solum Vol 16, No 1 (2019): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Penelitian ini bertujuan untuk mengetahui interaksi pengaruh Sediaan Salut dan Pupuk Organik Cair Unitas Super terhadap pertumbuhan dan hasil kedelai (Glycine max.L Merril). Penelitian ini menggunakan rancangan acak lengkap yang disusun secara faktorial dengan 2 perlakuan dan 3 ulangan. Faktor pertama sediaan salut terdiri atas 2 taraf yaitu tanpa salut SO (kontrol) dan S1 (1kg tanah + 1kg kompos + 100gr kapur +0,5 kg tanah bekas tanam kedelai + 10 gr pupuk PK), faktor ke 2 adalah aplikasi POC yang terdiri atas 4 taraf yaitu 0 ml/L,10ml/L,20 ml/L,30 ml/L. Hasil penelitian yang telah dilakukan menunjukkan bahwa pemberian tanpa Salut dan POC US pada taraf 30 ml/L dapat meningkatkan tinggi tanaman, rasio tajuk akar, dan bobot 100 biji.Key words : kedelai, salut, pupuk organik cair

APLIKASI KOMPOS TANDAN KOSONG KELAPA SAWIT DAN PUPUK NPKMg TERHADAP SIFAT KIMIA TANAH ULTISOL DAN KADAR HARA DAUN KELAPA SAWIT (Elaeis guineensis Jacq) Ahmad Syukri; Nelvia Nelvia; Adiwirman Adiwirman
Jurnal Solum Vol 16, No 2 (2019): JURNAL SOLUM
Publisher : Jurusan Tanah Fakultas Pertanian Universitas Andalas

Low productivity of oil palm in Ultisol need to resolve by utilizing appropriate input and efficient soil management. Utilization of organic waste materials such as oil palm empty bunches (OPEB) is one of way for that. This research was conducted in Kuantan Singingi, Riau from September 2017 to February 2018. The aim of this research is to having dose of OPEB compost and NPKMg fertilizer that can optimize the value of soil chemical characters and nutrient content in leaves. The study determined the effect of composite oil palm empty bunches with cow manure (2:1(w/w)) and NPKMg (13:6:27:4) fertilizer. The study used a completely randomized design consisting of 6 levels :{(2,25 kg NPKMg), (10 kg OPEB compost + 1,75 kg NPKMg), (20 kg OPEBcompost + 1,5 kg NPKMg), (30 kg OPEBcompost+ 1,25 kg NPKMg), (40 kg OPEBcompost + 1,00 kg NPKMg), (50 kg OPEB compost) per tree}, each treatment was repeated 3 times. Parameters measured include soil chemical characters and nutrient content in leaves. The results of study showed, aplication 50 kg per tree TKKS compost was able to increase soil pH. Aplications (2.25 kg NPKMg, 50 kg TKKS compost, 20 kg compost TKKS + 1.50 kg NPKMg and 30 kg compost TKKS + 1.25 kg NPKMg) per tree can increase base saturation. Each treatment application for fertilization has been tested, given the same effect in all soil chemical characters tested beside pH and KB, and same effect in all leaf nutrient contents tested beside Zn.Key words : Palm Oil, Compost, OilPalmEmptyBunches, NPKMg

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agustian@agr.unand.ac.id

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