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JTSL (Jurnal Tanah dan Sumberdaya Lahan)
Published by Universitas Brawijaya
ISSN : -     EISSN : 25499793     DOI : 10.21776/ub.jtsl
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Tanah dan Sumberdaya Lahan (JTSL) dikelola oleh Jurusan Tanah, Fakultas Pertanian, Universitas Brawijaya, Malang. Artikel dari hasil penelitian orisinil, dan review tentang aspek manajemen sumberdaya tanah dan lahan yang mencakup, kesuburan tanah, kimia tanah, biologi tanah, fisika tanah, pedologi, sistem informasi lahan, kualitas tanah dan air, biogeokimia, struktur dan fungsi ekosistem, serta rehabilitasi tanah dan lahan dapat dimuat dalam jurnal ini tanpa dipungut biaya. Jurnal Tanah dan Sumberdaya Lahan diterbitkan dalam satu volume setiap tahun. Setiap volume terdiri atas dua nomor yang diterbitkan pada bulan JANUARI dan JULI.
Arjuna Subject : -
Articles 337 Documents
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PENGARUH KEMIRINGAN BATAS HORISON TERHADAP WAKTU PELONGSORAN PADA TANAH DOMINAN DEBU DAN LIAT Sandy Budi Wibowo; W Widianto; S Sudarto
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 1 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Landsliding duration is the time span between saturated soil condition and landslide in seconds. It is a parameter to describe failure process. Horizon boundary declivity is a broad in horizon boundary formed an angle toward the horizontal and assumed parallel with slope surface.Landsliding duration can be measured by way of landslide simulation to saturated soil sample through artificial rain with 50 mm hour-1 intensity up to landslide. Soil sample taken as a whole by pipe. This treatment consisted of 40o and 70o horizon boundary declivity and repeated 10 times. Soil sampling conducted at 4 locations divided by 2 locations with silt domination and 2 locations with clay domination. Beside that, qualitative observation performed of process and mass movement as well.The result of observation has shown that landsliding duration at 40o horizon boundary declivity is slower than 70o. Gravitation forces has characteristic of holding soil mass at 40o horizon boundary declivity, but at 70o horizon boundary declivity it will cause landslide. Medium texture will landslide faster than fine texture at 40o horizon boundary declivity. But at 70o horizon boundary declivity both of medium and fine texture will landslide together. Due to that 70o horizon boundary declivity dominated by gravitation force that pull soil mass to the downslope. While at 40o horizon boundary declivity, soil physics nature is still have a role, where fine texture have characteristic of sticky and medium texture have a quality of slick.Translational slides happen at 70o horizon boundary declivity so many times. While topples usually happen at 40o horizon boundary declivity. This cause of at 40o horizon boundary declivity soil physics nature still have a role of landslide, while at 70o horizon boundary declivity gravitation forces pull soil mass more dominant. But if it related with texture, translational slides usually happen at medium texture and topples happen at fine texture so many times. Landslide process at fine texture is preceded by cracks forming ended by topples. While landslide process at medium texture is preceded by smooth erosion on soil surface and soil liquefaction at upper side of horizon boundary because of the water is not able to penetrate beneath horizon.Key words: lansliding duration, horizon boundary declivity, texture
PENGGUNAAN Caladium bicolor, Paspalum conjugatum, dan Comelina nudiflora UNTUK REMEDIASI TANAH TERCEMAR MERKURI (Hg) LIMBAH TAILING TAMBANG EMAS SERTA PENGARUHNYA TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG (Zea mayz L.) Lia Nova Triadriani; Eko Handayanto; Sri Rahayu Utami
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 1 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Tailings, waste material from gold processing, contain heavy metals that are toxic such as mercury (Hg). One of the negative impacts is causing contamination of soil, developed through the accumulation of heavy metals. Phytoremediation is an alternative technology, using plant to clean heavy metal contaminated soil. A research, using Caladium bicolor, Paspalum conjugatum and Commelina nudiflora was then conducted as phytoremediation for contaminated soil. The research was conducted in the greenhouse using a randomized block design (RBD) with 3 factors and 3 replications. The first factor was percentage of tailings in the soil (10% and 20%). The second factor was the type of phytoectractor plants (C. bicolor, P. conjugatum and C. nudiflora). The third factor was the use of organic matter (with and without organic matter). The study was conducted in two steps, namely 1) phytoremediation, using C. bicolor, P. conjugatum, and C. nudiflora; 2) evalution of corn growth after phytoremediation. The results showed that Hg content in the soil containing 10% tailings (T1) was twice less than in the soil containing 20% tailings (T2). The addition of organic matter increased the potential for Hg absorption and consequently reduced content of Hg in the soil. C. bicolor, P. conjugatum and C. nudiflora decreased Hg content in the soil, and hence potentially used for phytoremediation. Of the three plants, C. nudiflora showed the highest Hg absorption. Decreasing content of Hg in the soil improved corn growth, as indicated by increasing height, number of leavs and dry weight.Keyword: Mercury (Hg), Hyperacumulator, Phytoremediation
IMPLEMENTASI PEMELIHARAAN LAHAN PADA TANAMAN UBIKAYU: PENGARUH PENGELOLAAN LAHAN TERHADAP HASIL TANAMAN DAN EROSI Moh. Harrys; Wani Hadi Utomo; Sugeng Prijono
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 1 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Land degradation in the Cassava causing damage to land, especially land due to the loss of part of the place. The loss of this part of the land causes a decrease in soil productivity, loss of the elements required burly plants, infiltration rate and water holding ability of soil is reduced, and the land use of opium. This condition will result in halted plant growth and decrease harvest. Various kinds of soil conservation activities has long been introduction by the government. However, results are still unsatisfactory. Not many farmers who adopt conservation technology, the government introduced the land, and land degradation continues.This research is to learn how different the various technical maintenance of the nature of the soil, the plants, and erosion and find out the pattern of land the right to increase the plant Cassava. Reduction in erosion rate occurred as a result of improvements to the land and the nature of plant growth.Research conducted in the Garden Experiments Brawijaya University in Malang. Ordo Alfisols including land, land and cycle 6 - 8%. Maintenance of land is done with the form of organic manure, and soil processing. Results of research shows that, technical maintenance of good soil is able to increase plant growth. As a result of improvements to decrease the growth of plants and limpasan level erosion surface. In the election technology, farmers choose tumpangsari treatment combination of manure and gulud as possible options.Keyword: land husbandry, cassava, land management, crops, erosion.
PENGARUH APLIKASI BAHAN ORGANIK SEGAR DAN BIOCHAR TERHADAP KETERSEDIAAN P DALAM TANAH DI LAHAN KERING MALANG SELATAN Sonia Tambunan; Eko Handayanto; Bambang Siswanto
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 1 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Some alternatives that can be employed to improve the soil fertility levels in South Malang are the use of fresh organic matter and biochar. The purpose of this study was to determine the effect of fresh organic matter and biochar application on availability of P and maize growth on a calcareous soil of South Malang. The experiment was conducted in a greenhouse and Soil Chemistry Laboratory, Faculty of Agriculture, University of Brawijaya, from March to May 2013. Materials used in this field study were a composite sample of upland calcareous soil at a depth of 0-20 cm, sugarcane litter biochar, maize litter biochar, fresh sugarcane litter, fresh maize litter, and maize seeds. Nine treatments (combinations of two types of biochars each at rates of 0 and 20 t/ha, and two types of fresh litter each at rates of 0 and 40 t/ha) biochar) were arranged in a completely radnomized design wirh three replicates. Maize seeds were grown on each treatment for 49 days. Results of this study showed that:(1) application of 20 t maize litter biochar / ha and 40 t maize litter/ha considerably increased soil available P by increase the 243%; (2) application of 20 maize litter biochar/ha with no application of maize litter reduced pH and exchangeable Ca by 14.47% and 27.19%, respectively; and (3) applicationof 20 t maize litter biochar /ha and 40 t maize litter / ha increased CEC by 10.40%.Key words: biochar, calcareous, available of P
PELEPASAN KATION BASA PADA BAHAN PIROKLASTIK GUNUNG MERAPI Novalia Kusumarini; Sri Rahayu Utami; Zaenal Kusuma
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 2 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Mount Merapi is most active volcano and periodically erupted. The erupted materials are soil parent materials which rich of base cations that useful for plant growth. Leaching process was used as alternative approach to study base cations released. Leaching experiment used artificial rain water. The effort to reduce base cations leached and also increase base cations relesed was using chicken manure, leucana litters, and Arachis pintoi that used as cover crop as the treatment of experiment. The leaching experiment simulated 4 years rainfall intensity. After incubation for 96 days (4 years rainfall simulation), addition of chicken maure and leucana litters decreased base cations leached in Mount Merapi pyroclastic materials, except for K+ by 16%. Planting Arachis pintoi decrease base cations leached in Mount Merapi pyroclastic materials by 13% but did not increase base cations released.Key words: pyroclastic, leaching, base cations
ESTIMASI SEBARAN DAERAH RAWAN BANJIR BANDANG SUB DAERAH ALIRAN SUNGAI SUMBER BRANTAS KOTA BATU : APLIKASI MODEL GENRIVER & SISTEM INFORMASI GEOGRAFI Adymas Putro Utomo; S Sudarto; Didik Suprayogo
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 2 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Flood is a major disaster which often occurred in last decade. Generally, land management in upper watershed is the main driving factor that cause flood. Upper watershed area should be intended for catchment area, but in fact land use change from natural forest become agriculture practices continuously happened. This research was done in September-October 2008 in Sumber Brantas sub watershed, City of Batu and some part of Malang Regency. Spatial analysis and land maping was done in Geographic Information System Laboratory of Soil Science Department, Brawijaya University. The objective of this research was to estimate troubled area of flash flood distribution. The parameters were:river flow discharge, slope, distance from river & elevation. The predicted river flow discharge was compared to actual river flow discharge and stastistically tested using doubled regression. This was done to know the accuracy of the model. River flow debit assessment using 15 micro sub watersheds with Thiessen Fraction Distribution (TFD-micro watershed) treatment result the most accurate river flow debit compared to field measurement. River flow debit assessment using one watershed with Average Thiessen (AT-watershed) treatment result lower accurate compared to TFD-micro watershed. In AT-watershed treatment river flow debit result is slightly close to measurement, but there are a significant difference in July and August. The worst result of the validation is the method using 15 micro sub watersheds with Average Thiessen. This caused by rainfall distribution which was used as input data was inappropriate with micro sub watershed distribution in Sumber Brantas sub watershed area. Totally the troubled area of flash flood based on troubled river area of flash flood is as much as 202.23 ha. Troubled area of flash flood is located in 4 Sub Regency, they are: Batu sub- regency as much as 29.39 ha, Bumiaji sub-Regency as much as 164.43 ha, Junrejo sub-Regency as much as 6.08 ha and Pujon sub-Regency as much as 2.43 ha.
STUDI NITRIFIKASI TANAH DENGAN PENAMBAHAN SERESAH ASAL HUTAN ALAMI DAN AGROFORESTRI KOPI Anita Kismi Qifli; Kurniatun Hairiah; Didik Suprayogo
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 2 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Forest conversion to coffee agro forestry has decreased quality and amount of litter fall, increase decomposition rate and litter fall mineralization. This research was aimed measuring soil nitrification rate by addition of forest, coffee based agro forestry with mix shade trees and legume-shaded coffee (Gliricidia sepium) and monoculture of coffee litter fall. This research that was conducted in May-June 2005 used Inceptisol  and litter fall of forest, coffee based agro forestry with mix shade trees and legume-shaded coffee (Gliricidia sepium) and monoculture of coffee from Bodong, Sumberjaya, Lampung Barat. Litter fall was collected by litter trap. This research was compiled in a completely randomized design with aerobic incubation method during 8 week in laboratory by 5 treatment addition of forest, coffee based agro forestry with mix shade trees and legume-shaded coffee (Gliricidia sepium), monoculture of coffee litter fall and control (non litter fall addition). Measurement conducted adding litter fall and soil has incubation during 2 weeks. Soil nitrification rate determined by comparing concentration of NH4+ and NO3- after added of litter fall. Data analysis was used one-way. Result of research showed that (1) addition of litter fall has significant (p<0.01) to concentration of NH4+ and NO3- - and N-mineral of soil (2) addition of litter fall has significant (p<0.01) to NH4+ /NO3- ratio (3) addition of coffee monoculture litter fall has yield concentration of NO3- higher than forest and coffee based agro forestry with mix shade trees litter fall (4) addition of coffee monoculture litter fall has yield ratio of NH4+ and NO3- lower (0.1mg kg-1) than addition of forest litter fall (1mg kg-1), coffee based agro forestry with mix shade trees litter fall (0.4mg kg-1) and legume-shaded coffee (Gliricidia sepium) litter fall (0.8mg kg-1). This result of research indicated that adding litter fall like forest, coffee based agro forestry with mix shade trees and legume-shaded coffee (Gliricidia sepium) litter fall can depress soil nitrification rate until 96%.
PERBAIKAN BIOPORI OLEH CACING TANAH (Pontoscolex corethrurus). APAKAH PERBAIKAN POROSITAS TANAH AKAN MENINGKATKAN PENCUCIAN NITROGEN ? Farah Amirat; Kurniatun Hairiah; Syahrul Kurniawan
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 2 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

The addition of organic fertilizer into soil increased earthworm growth and its activity and, not only for decomposer group but also for soil digger group (ecosystem engineer).Pontoscolex corethrurus is one of ecosystem engineer group create many channel in soil, so that increased soil porosity and infiltration in soil The objective of this research was to study on N leaching in various biopores condition which formed by earthworm`s activity. Various level of soil porosity and nitrate consentration at controlled condition was obtained from application of  mixture of 3 types of litter (coffee, Gliricidia and durian), N-urea fertilizer and soil digger earthworm (Pontoscolex corethrurus) into soil.  The treatments tested were (1) KO : Control 1 (without worm, N-Organik and N-Anorganik); (2) KCC : Control 2 (added earthworm, without N-Organic and N-inorganic); (3) UREA : (added earthworm + N-inorganic, without N-Organik); (4) KGD : (added earthworm and N-Organic, without N-inorganic); (5) KGDU : (added earthworm + N-inorganic + N-Organic). Each treatment was repeated four times. The biopores formed by earthworm was measured  from the length of soil channel  at 1st, 2nd, 4th, 6th and 8th weeks after treatments (WAP). Measurement on earthworm`s growth was conducted with measuring earthworm`s length, diameter, biomass and casting by the end of treatment (8 WAP). Analysis of nitrate in leachete was done at 2nd, 4th, 6th and 8th  WAP. Result of this research showed that application of N-anorganic only led to more active earthworm rather (83 %) than application of N-organic resulting longer vertical channel formed by earthworm.  However, the increasing the length of vertical channel was not followed by increasing of water percolation. Porosity was related to nitrat leached concentration (R2 = 0.36). Total of leaching was not only influenced by porosity but also by another factor like NO3- -available (influence by N source input). Application of N-anorganic increased concentration of leached NO3- (42 %) than application of N-organic (181 mg L-1 concentration of leached NO3-). No significant (p>0.05) correlation between soil porosity and earthworm`s biomass was found.
FITOREMEDIASI TANAH TERCEMAR MERKURI MENGGUNAKAN Lindernia crustacea, Digitaria radicosaa, DAN Cyperus rotundus SERTA PENGARUHNYA TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG Bonauli Christianoyd Siahaan; Sri Rahayu Utami; Eko Handayanto
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 2 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

Levels of heavy metals in agricultural land can be reduced and neutralized with an inexpensive method, known as phytoremediation. The purpose of this study was to learn and know the ability Lindernia crustaceans, Digitaria radicosa, and Cyperus rotundus as fitoremediator for soil contaminated by gold mining waste containing mercury and its effects on growth and yield of maize The study was conducted in a glasshouse with sixteen treatments consisted of three plant accumulators, two soils contaminated with mercury, and two levels of organic matter application. The parameters measured were plant height, number of leaves, dry weight, crop N uptake,  Hg content, and uptake of Hg. The results showed that 10% of tailings contaminated soil (T1) contained Hg less than 20% of tailings contaminated soil (T2). The addition of organic material could assist in providing the nutrients needed by plants to improve soil fertility, so the potential for increased uptake and could reduce the content of Hg in tailing contaminated soil. Lindernia crustacea, Digitaria radicosa, and Cyperus rotundus are potential in reducing mercury concentration in tailing contaminated soils that in turn improved maize growth.
KAJIAN LENGAS TERSEDIA PADA TOPOSEKUEN LERENG UTARA G. KAWI KABUPATEN MALANG JAWA TIMUR Istika Nita; Endang Listyarini; Zaenal Kusuma
Jurnal Tanah dan Sumberdaya Lahan Vol. 1 No. 2 (2014)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

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Abstract

In one toposequence, soil moisture available at each location will be different. Soil moisture difference is due to many factors, either environmental factors as well as the ability of soil. Because soil moisture is the water available in the soil that can be used by plants, so the difference soil moisture conditions at each location will cause the carrying capacity of land to support a land use will be different. The research was conducted on the northern slopes toposequence of Mount Kawi, administratively located in the village Bendosari, Pujon, Malang, East Java. The purpose of this study to examine the effect of topography for soil moisture available on northern slopes toposequence of Mount Kawi. Site observations this study divided into five locations by ortophoto northern slopes toposequence of Mount Kawi 1984. The results showed that the bulk density, organic matter, micro pores and meso pores positive effect on soil moisture available, while silt and clay particles negatively effect. Great influence exerted on each factors is different, the highest influence is bulk density which amounted to 29,49% and the decline in organic matter 0,642%, micro pores 0,5509%, meso pores 0,3931 %, silt particles 0,2595% and clay particles 0,2753%. In one row of topography is associated elevation with slope apparently affects the soil moisture available at the study site. Factors elevation positive influence on soil moisture available at 0,00991%, while the negative influence slope of 0,35%.Keyword: soil moisture, toposequent, Mount Kawi

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