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Soil REns
Published by Universitas Padjadjaran
ISSN : 14114224     EISSN : 26854058     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
SoilREns merupakan jurnal ilmiah ilmu tanah pertanian dan lingkungan. Berisi kumpulan hasil penelitian terkini mengenai isu-isu ilmu tanah pertanian dan lingkungan. Diterbitkan atas kerjasama antara Departemen Ilmu Tanah dan Sumberdaya Lahan Fakultas Pertanian UNPAD, bekerjasama dengan Himpunan Ilmu Tanah Indonesia (HITI).
Arjuna Subject : -
Articles 150 Documents
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Respons Beberapa Tanaman Sayuran Bermikoriza terhadap Dosis P pada Sistem Hidroponik Model Ebb Flow Derisfha Anggraeni; Anne Nurbaity; Emma Trinurani Sofyan
Soilrens Vol 17, No 2 (2019)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v17i2.26362

Abstract

Hydroponics is one of the urban farming techniques that can be used to improve crop yield. Nowadays, the supply of all nutriens in hydroponics, particulary phosphate only derived from inorganic fertilizers. Application of arbuscular mycorhiza fungi (AMF) as bioagent may help plants to fill its nutrient need, especially phosphate. This study aimed to find out the best concentration of phosphate fertilizer to be applied to the hydroponic Ebb-flow system model. The stage was to test several vegetable plants with various concentrations of phosphorus (0, 20, 40, 80 ppm) on the Ebb-flow hydroponic system. Vegetables used were romaine lettuce, red lettuce, and kale. Interaction was found between vegetables and the variety of phosphate concentrations and the root colonization by AMF, and phosphate uptake. The AMF applications on the hydroponic Ebb-Flow system model reduced phosphate fertilizer need by 40 ppm (50%), on red lettuce 0 ppm (100%), and on kale 20 ppm (25%). Besides lowered phosphate doses, such applications also increased the plant yield.
Respon Pertumbuhan dan Hasil Padi Gogo yang dipengaruhi oleh Pemberian Biochar dan Pupuk Hayati Betty Natalie Fitriatin; Dzakaria Yogaswara; Tien Turmuktini; Emma Trinurani Sofyan; Anni Yuniarti
Soilrens Vol 17, No 2 (2019)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v17i2.26354

Abstract

One of the efforts to increase crop yield based in sustainable agriculture is through the utilization of microbial inoculants (biofertilizers) and soil conditioners. Biofertilizer is an ingredient that contains beneficial microbial inoculants to increase soil nutrient availability for plants. Biochar has been recognized as a soil conditioner by improving soil physical, chemical, and biological properties as well as in retaining nutrients, thereby enhancing plant growth. However, the research regarding the effect of the combination between biofertilizers and biochar on growth and yield of upland rice are still at scarce. The field experiment was conducted to determine the impact of biofertilizers and biochar on growth and yield of upland rice in Andisols at Pasir Talang village in Rancakalong district, Sumedang, West Java.  This experiment used a Randomized Block Design (RBD) consisted of six treatments and four replicates. Biofertilizers consisted of N-fixer bacteria (Azotobacter chroococum, Azospirillum sp.) and phosphate-solubilizer microbes (Pseudomonas mallei, P. cepaceae, Aspergillus niger and Penicillium sp.). The treatments were combination of biochar (2,4, and 6 t ha-1) and biofertlizers (0 and 50 kg ha-1). The result of experiment revealed that combination of biochar and biofertilizers increased the growth and yield of upland rice significantly. The application 4 t ha-1of biochar and 50 kg ha-1 of biofertilizers gave the best yield of 5,81 t ha-1.
Pengaruh Pupuk Organik Berbahan Dasar Cairan Flushing Kandang Terhadap Pertumbuhan Rumput Raja (Pennisetum purpoides L.) Nadia Nuraniya Kamaluddin; Rija Sudirja; Eso Solihin; Suryo Firnato
Soilrens Vol 17, No 2 (2019)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v17i2.26355

Abstract

Dairy farming waste in high volume especially in the form of flushing slurry can be unmanageable. Flushing slurry is lower in organic matter content compared to solid waste due to water saturation. In order to enhance the utilization, flushing slurry can be converted in liquid organic fertilizer with higher nutrient content. King grass (Pennisetum purphoides L.) plant is commonly used as livestock feed especially dairy cow in South Bandung area. The experiment was conducted between March to June 2018 in Pangalengan, South Bandung. The result shows no significant different between control specimen and liquid organic fertilizer teratments in plant hight, number of leaves, root weight, and root length. Although notable amount of plant leaves was demonstrated in D treatment compared to than that of control.
Inokulan Rhizobakteri untuk Meningkatkan Kelimpahan Mikroba Tanah, Klorofil dan Pertumbuhan Bibit Kelapa Sawit pada Inceptisols Tualar Simarmata; Maria Eprina Kusumo Wardani; Eka Dwi Anggrainy
Soilrens Vol 18, No 2 (2020)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v18i2.32073

Abstract

Inorganic fertilizers are used intensively as the main source of essential nutrients to boost oil palms productivity. However, it’s also to contribute to degradation of organic matter and soil health. The research aimed to investigate the effect of rhizobacteria inoculant to increase the beneficial soil microbes (RNF= rhizobacteria nitrogen fixer and rhizobacteria phosphate solubilizes = RPS) in rhizobiome and the growth oil palm seedling was conducted from January to May 2020 on Inceptisols. The experiment was arranged as randomized block design, consisted of 9 treatments (control, 3, 6, 9, 12 kg ha-1 of RNF, and its combination with RPS and provided with 3 replicans. Observed respond were total bacteria, RNF, the seedling growth and chlorophyll content. The experimental results revealed that rhizobacterial inoculation had a significant effect on RNF, RPS, total bacterial population, and the chlorophyll content of oil palm seedlings. The abundance of soils microbes during the trial were rellative high (>108 CFU g-1). Inoculation of 3 kg ha-1 of rhizobacteria (RNF and RPS) increased the population of RNF to 4.02 x 108 CFU g-1. The highest of chlorophyll content (56.96 CCI) was obtained by the application 12 kg ha-1 of RNF, followed by applying of 3 kg and 9 kg of inoculant consortia (RFN + RPS), but not different significantly with the control. Results finding confirms that the application rhizocateria inoculant (RNF and its combination with RPS) could use to enhance the abundance of microbes in rhizobiome for supporting the growth of oil palm seedling
Pengaruh Pemberian Macam dan Dosis Pupuk Organik terhadap Beberapa Sifat Kimia Tanah, Serapan P serta Hasil Sawi (Brassica juncea L.) Pada Ultisols Asal Jatinangor Maya Damayani
Soilrens Vol 12, No 1 (2014)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v12i1.29426

Abstract

The aim of this researchwas to find out the effect of kind anddoses of organic fertilizers on the pH, available P, P uptake and yield of green mustard crop (Brassica juncea L.) on Ultisols from Jatinangor. Also expected to obtain of kind and doses organic fertilizer that produces the best green mustard plants on Ultisols from Jatinangor. Experiments conducted from September to December 2011 in the greenhouse garden experiment Faculty of Agriculture, Padjadjaran University, Jatinangor, Sumedang Regency, West Java with 780 meters altitude above sea level. Organic fertilizers are used in this experiment was casting, straw compost and sheepmanure. The dose used was 20 tons ha1 and 30 tons ha-1 for each of the organicfertilizers, and onetreatment using a combination of all three doses of 10 tha-1 for each kind of organic fertilizer in combination.The Experimental design was used Randomized Design Group (RAK) factorial pattern, consisting of one factor with eight treatments and three replicationsThe experimental results show the kinds and doses of organic fertilizers do not give a real difference for P uptake and Yield of crop mustard greens on Ultisols Jatinangor.But there is a real difference to the pH and available P, especially with treatment using a combination of casting 10 t ha-1, straw compost 10 t ha-1, and sheep manure 10 t ha-1.
Aplikasi Pupuk Hayati dan Pupuk Organik terhadap C-organik dan Derajat Infeksi Akar Tanaman Buah Naga (Hylocereus costaricencis L.) pada Tanah Pasir Bekas Tambang Kiki Zakiah; Anni Yuniarti; Anne Nurbaity; Hidayat Salim
Soilrens Vol 12, No 1 (2014)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v12i1.29431

Abstract

Sand-mining can damage to physical, chemical and biological soil properties. Land reclamation is one of method that can be use to solved that problem. Adding soil ameliorant and revegatation are known can improve soil productivity. The objective of this study was to determine the effect of soil ameliorant, which is organic fertilizer and biofertilizer in improving soil organic-C and root infection of dragon fruit (Hylocereus costaricencis L.) by AMF on soil originated from Sand Mining, Sumedang, Indonesia. Greenhouse experiment was conducted at Faculty of Agriculture, Universitas Padjadjaran from December until June 2013. The experiment used was Factorial Randomized Block Design consist of two factors and three replications. The first factor was biofertilizer which consist of: without biofertilizer, AMF and AMF + MHB (Mychorriza Helper Bacteria). The second factor was organic fertilizer that consist of: without organic fertilizer, chicken manure, goat manure, cow manure, rabbit manure, cocopeat and Organic Granule Fertilizer (each 5 kg / pot). Results of experiment showed that there was interaction effect between organic fertilizer and biofertilizer in improving soil organic-C. There was no interaction effect between organic fertilizer and biofertilizer to root infection.
Keragaman Mikroflora, Mikrofauna, Kandungan C-organik, dan Total N Tanah Sawah Akibat Aplikasi Azolla dan Pupuk Hayati Mieke Rochimi Setiawati; Pujawati Suryatmana; Tualar Simarmata
Soilrens Vol 18, No 1 (2020)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v18i1.29041

Abstract

This study was conducted to determine the effect of Azolla pinnata and biofertilizers (Azotobacter and Phosphate Solubilizing Bacteria) on the total microflora, microfauna, organic C, N-total soil, and C/N ratio of soil in lowland rice. The study was carried out in the SPLPP experimental field (Agricultural Research and Development Research Studio) of the Faculty of Agriculture, Padjadjaran University, Jelekong Village, Ciparay, Bandung Regency, West Java, with an altitude of 628 meters above the sea level. The experimental design used was factorial randomized block design consisted of two factors and repeated four times. The first factor was the provision of Azolla with two levels: without Azolla and 3 tons ha-1 of Azolla pinnata. The second factor was the provision of biofertilizer with three levels, without biofertilizer, 5 L ha-1 biofertilizer, and 10 L ha-1 biofertilizer. The results showed that there was an interaction between A. pinnata with biofertilizer on the increase in the total bacterial population. Total fungus, microfauna (nematodes), and soils N-total content did not increase with the addition of Azolla or biofertilizers. Independently A. pinnata increased soil C-organic matter while biofertilizer 10 L ha-1 increased the total population of actinomycetes.
Pengaruh Aplikasi Mikoriza dan Bahan Pembenah terhadap Sifat Kimia dan Serapan Fosfor di Tanah Pasir Aktavia Herawati; Jauhari Syamsiyah; Mujiyo Mujiyo; Mapan Rochmadtulloh
Soilrens Vol 18, No 2 (2020)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v18i2.32074

Abstract

Sandy soil has limitations factor in supporting plant growth such as low soil organic carbon (SOC), cation exchange capacity (CEC), macro-micro nutrient content, water retention capacity, and high permeability rate. To improve soil conditions, it can be done by adding mycorrhizae and soil amendments. This study aimed to determine the effect of mycorrhizae application and soil amendments on the P availability and P uptake of plants in sandy soil. The research was conducted in a greenhouse of Agricultural Faculty, Sebelas Maret University. Used a completely randomized design consisting of 2 factors. The first factor was mycorrhizae with 2 levels, namely without mycorrhizae (M0) and mycorrhizae with 6 spores/plants (M1). The second factor was soil amendments; without amendment (P0), cow manure 60 tons/ha (P1), rock phosphate 150 kg/ha (P2), and combination of cow manure 60 tons/ha and rock phosphate 150 kg/ha (P3). The results showed that the application of mycorrhizae and soil amendments significantly increased available P, SOC, CEC, P concentration, and P uptake. Interaction of mycorrhizae 6 spores/plant and rock phosphate 150 kg/ha was able to increase the availability of soil P up to 12.8 times, plant tissue P concentration up to 1.4 times, and P uptake up to 2.27 times compared to the control. Application of mycorrhizae 6 spores/plant and cow manure of 60 tons/ha gave the best results on SOC and mycorrhizae with a combination of cow manure and rock phosphate gave the best results on CEC.
Pengaruh Zeolit dan Pupuk Organik Terhadap pH, N-Total, Residu-P Tanah dan Hasil Tanaman Padi Sawah (Oryza sativa L.) Kultivar Ciherang Pada Fluventic Eutrudepts Emma Trinurani Sofyan; Muhammad Farghan Fauzan
Soilrens Vol 12, No 1 (2014)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v12i1.29427

Abstract

The objective of this research was to find out the effect of zeolite and organic fertilizer on pH, total of N, P-residue, and yield of Ciherang cultivar’s rice (Oryza sativa L.) on Fluventic Eutrudepts. This research was conducted between May and August 2010 at the field station of soil and water management, soil science and land resources management department, Faculty of Agriculture, Padjadjaran University, in Jatinangor elevated 725 meters above the sea level. This research used Randomized Block Design with two factorial models. The first factor was zeolite dosage which consisted of three levels i.e: without zeolite, 150 kg.ha-1 and 300 kg.ha-1 zeolite. And the second factor was organic fertilizer consisted of three levels i.e: without organic fertilizer, 5 t.ha-1, 10 t.ha-1 with three replication, so that the total plots were 27. The result of this research showed that there was an interaction between zeolite and organic fertilizer on P-residue of soil, but there was no interaction on pH, total of N, potential of P and rice (Oryza sativa L.) yield. Zeolite application has a significant effect on soil’s total of N of 0,24 %, and organic fertilizer has a significant effect on rice yield of 5,48 kg ha-1.
Potensi Jenis Bahan Organik Sebagai Biostimulan dalam Meningkatkan Populasi Azospirillum sp, dan Hasil Kedelai (Glycine Max. L.) pada Inceptisol Jatinangor Pujawati Suryatmana; Silmi Rahadiana Putri; Nadia Nuraniya Kamaluddin; Mieke Rochimi Setiawati
Soilrens Vol 18, No 1 (2020)
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v18i1.29031

Abstract

Azospirillium is a genus of non-symbiotic N fixer bacteria, known as a biological fertilizer inoculant. The quality of Azospirillum sp. inoculant often decrease when applied outside its original habitat. Therefore, it is necessary to maintain the viability and increase its effectiveness. One way that can be done is by adding organic material as additives as a source of energy for bacteria. Potential organic materials can be used as additives to stimulate the viability, activity and effectiveness of Azospirillium sp. are coconut water, molasses and bran. The organic material contained elements such as C, N and P as the source of nutrients for Azospirillium sp. which was inoculated in Soybean (Glycine max L.) plants. This experiment aimed to examine the effect of additive application on Azospirillum sp. population, root nodules, and seed weight of soybean plants (Glycine max L.) on Jatinangor Inceptisols. The experimental design used was Randomized Block Design (RBD) consisted of combination between of Azospirillum sp. and additives type, namely molasses, coconut water and bran. The results showed that the application of a mixture of bran, molasses, and coconut water attracted the population of Azospirillum sp. higher than the control treatments. Meanwhile molasses, coconut water, and additive mixtures have the potential to increase the number of root nodules and soybean pods yields. Coconut water, molasses and bran are organic materials that have the potential as additives that stimulate the activity and increase the population of Azospirillium sp. and soybean pods.

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