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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 7 Documents
 1 
Search results for , issue "Vol 12, No 1 (2014)" : 7 Documents clear
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.
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.
Evaluasi Keberhasilan Reklamasi Lahan Bekas Tambang Pasir (Galian C) dengan Tanaman Gamal (Gliricidia sepium (Jacq.) Steud) (Studi Kasus di Desa Cibeurem Wetan, Cimalaka, Sumedang, Jawa Barat) Ikrar Nusantara Putra; Dhea Rakhmat Ginanjar; Apong Sandrawati
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.v12i1.29432

Abstract

Cimalaka is well known for its high quality sands for building material. Unfortunately, the sand mines opened in Cimalaka areas are less managed and have degraded. Usually, the soil has no organic horizon so that no vegetation covered the soils. The land was mined repeatedly without appropriate reclamation effort, thus supported the invasive plants species to cover the site. Gliricidia sepium has known as invasived plants. This research was conducted to evaluate ecosystem function of post-sand mining land Cimalaka, Sumedang, West Java that revegetation with Gliricidia sepium. The research showed that Gliricidia sepium was high potentially improved soil quality in eks sands mining. The roots of Gliricidia sepium increase the content of organic in soils, so that with the litters. The enhancement of organic content potentially impacted increasing organism activities that would impact to soil quality improvement. Soils quality improvement showed by increasing soil pH and organics contents into more suitable for organism growth.
Pengaruh Inokulan Blue-green Algae dan Pupuk N terhadap Populasi BGA, Kandungan N-total tanah, Serapan N, Konsentrasi N dan Berat Kering Tanaman Padi (Oryza sativa L.) pada Inceptisols Asal Jatinangor Mieke Rochimi Setiawati
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.v12i1.29428

Abstract

This study aims to determine the effect of the combination of BGA inoculant and N fertilizer on total-N of the soil, N uptake, N concentration and dry weight of paddy rice (Oryza sativa L.) in Inceptisols Jatinangor. This research was conducted in the green house of the Faculty of Agriculture, University of Padjadjaran, Jatinangor, Sumedang. The study used a randomized block design (RAK) factorial, with two treatment factors, namely N fertilizer (N) 4 levels of factors, namely; n1 = 0.326 g pot-1 urea, urea n2 = 0.652 g pot-1, n3 = 0.978 g pot-1 urea and urea n4 = 1.304 g pot-1. The second factor is the BGA inoculants (B) which consists of 3 levels of factors, namely; b0 = no inoculant BGA, b1 = 0.025 g inoculant BGA pot-1 and b2 = 0.05 g pot-1 inoculant BGA each repeated 3 times. The results showed there was an interaction between N fertilizer with Blue-green Algae inoculant on the increasing in dry weight of the canopy, but not the total-N content of the soil, N uptake, and N concentration of rice plants. N fertilizer and Blue-green algae inoculants affected the increaseing on total-N soil. Based on the increasing in dry weight of rice plant canopy, BGA inoculant application can save the use of fertilizer N half of a given dose of urea fertilizer
Pengaruh Kemiringan Lereng dan Penggunaan Lahan terhadap beberapa Sifat Fisika Tanah di Sub-DAS Cikapundung Hulu Abraham Suriadikusumah; Ridha Hudaya; Adhe Sigit Sutanto
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.v12i1.29429

Abstract

This research was conducted to find out the effect of various slope classes and land use types on porosity, permeability and soil's aggregate stability index. The research was carried out from June up to December 2009 in Upper Cikapundung Sub Watershed which area was located in West Bandung Regency and Subang Regency, West Java. The method used in this research was explorative survey method. Sampling technique which used based on purposive stratified sampling method. Soil sampling was carried onto three various slope classes in three various land uses, which consist of: 8- 15% slope classes in pine forest, 8-15% slope classes in secondary forest, 8-15% slope classes in tea plantation, 15-30% slope classes in pine forest, 15-30% slope classes in secondary forest, 15-30% slope classes in tea plantation, 30-45% slope classes in pine forest, 30-45% slope classes in secondary forest and 30-45% slope classes in tea plantation. The result of this research showed that highest soil total porosity achieved in 8-15% slope classes in secondary forest, 8-15% slope classes in pine forest, 15-30% slope classes in all land use and 30-45% slope classes in all land use. Highest permeability achieved in 8-15% slope classes in all land use, 15-30% slope classes in tea plantation, 15-30% slope classes in pine forest and 30-45% slope classes in tea plantation. Soil index aggregate stability achieved in 8-30% slope classes in secondary forest, 8-30% slope classes in tea plantation and 30- 45% slope classes in all land use
Pengaruh Penggunaan Lahan dan Penterasan pada Berbagai Kemiringan Lereng Terhadap Ketebalan Lapisan A, Porositas dan Permeabilitas di DTA Cikumutuk SubDAS Cimanuk Hulu Kabupaten Garut Rizky Febria; Rija Sudirja; 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.v12i1.29430

Abstract

The aimed of this research was to find out the influence of land use and terrace of slope steepness on thickness of A layer, porosity and soil permeability in Cikumutuk Catchment area of Sub-Watershed Upper Cimanuk, District of Garut. Research carried out in March 2012 until July 2012. Soil samples were taken at three different types of land uses, such as shrubs, mix plantation and dry cultivated area. Each land use consists of terrace with three slope classes, such as 8-15 %, 15-25 % and 25-40 % with reflication as much as 3 times, so the generated 27 soil samples. The method used in this research was survey method with physiographic approach, sampling technique used stratified purposive sampling, and comparative descriptive method to analyze the result. Analysis of varians test showed that dry cultivated area with terrace on all slopes give on average the lowest influence on the thickness of A layer. Dry cultivation area with terrace on slope 25-40 % had the lowest porosity and soil permeability. The value of porosity was 53.50 % and soil permeability was 8,20 cmh-1. Correlation between the parameter showed that there was no correlation between thickness of A layer and porosity (0.30ns), the thickness of a layer of A with the permeability (r = 0.13ns), while the relationship porosity with permeability (r = 0.31ns).

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