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Sains Tanah
Published by Universitas Sebelas Maret
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
Sains Tanah adalah jurnal yang dikelola Program Studi Ilmu Tanah Fakultas Pertanian UNS Solo yang melibatkan Editor dan Mitra Bestari dari institusi atau lembaga yang terkait. Sains Tanah mempublikasikan hasil penelitian dan telaah dalam bidang Ilmu Tanah dan Agroklimatologi serta bidang-bidang lain yang berkaitan, meliputi: Fisika dan konservasi tanah, Kimia dan kesuburan tanah, Biologi tanah, Mineralogi klei, Keharaan tanaman, Pedogenesis, klasifikasi dan survei, Pemupukan, Reklamasi dan remidiasi tanah, Agroklimatologi, Lingkungan
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Articles 7 Documents
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Search results for , issue "Vol 8, No 2 (2011)" : 7 Documents clear
ARAHAN KEBIJAKAN PENGENDALIAN EROSI DAN SEDIMENTASI DI SUB DAERAH ALIRAN SUNGAI KEDUANG KABUPATEN WONOGIRI Joko Sutrisno; Bunasor Sanim; Asep Saefuddin; Santun R.P. Sitorus
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 8, No 2 (2011)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v8i2.5

Abstract

Title : The Policy Direction for Controlling of Erosion and Sedimentation at Keduang Sub‐Watershed in Wonogiri Regency. Keduang Sub‐Watershed  is one of important sub‐watershed  at Bengawan Solo Watershed. Land  resources  management   at  Keduang  Sub‐Watershed   will  be  influence  of  environment quality,  physic (erosion,  sedimentation,  debit of Keduang  River),  chemistry  (water quality)  and socio economic aspect. This aim research to know the level of erosion and sedimentation  and to arrange  policy direction  for controlling  erosion and sedimentation  at Keduang  Sub‐Watershed, Wonogiri Regency.Research method which is used is descriptive. Data types which are obtained are secondarydata from Centre of Research and Development Technology of Watershed Management, Forestry Department,   BPS‐Statistic   of  Wonogiri   Regency   and   Agriculture   Department   of  Wonogiri Regency. Method of analysis’s data which is used in this research is Universal Soil Loss Equation (USLE)  Method  to predict  the soil erosion.  This research  method  also to arrange  modelling  of controlling erosion and sedimentation.Results   of  this   research   are:   the   level   of  erosion   in  Keduang   Sub‐Watershed   is  44 ton/ha/year   or  1.9  million  ton/year.   The  sediment   yield  from  Keduang   Sub‐Watershed   to Wonogiri  Basin  equal 164,000  ton/year.  Improving  of construction  terrace  can reduce  erosion and sedimentation.Keywords: land resources management, erosion, sedimentation, construction terrace
EVALUASI DAYA DUKUNG LAHAN UNTUK TANAMAN PANGAN PADA LAHAN PERKEBUNAN TEMBAKAU RAKYAT DI LERENG TIMUR GUNUNG SINDORO Rahayu Rahayu
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 8, No 2 (2011)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v8i2.1

Abstract

Title : Evaluation of Land Capability for Food Plants at Rural Tobacco Area in East Part of Sindoro Mountain. This research was conduct at east part of Sindoro Mountain in Central Java with elevation around  1,000 – 2,000 m. Observation  showed  land degradation  occurred  in this location.  This research was to know decreasing of land quality of tobacco area and the possibility of this area for  food  plants  production  as  tobacco  substitution.  The  steps  of  research  were  soil  survey, laboratory  analysis  and  plotting  of land characteristics  into food  plants  requirements.  Results showed  that  the soils  of area  are  Entisols  and  Andisols  with  slope  of 8 to 30%.  GIS  analysis resulted  in 5 land  unit  areas.  Land  suitability  for  tobacco  is marginally  suitable  (S3)  and  not suitable (N) with limiting factors are precipitation, soil solum, pH H2O, C‐organic and slope. Land suitability for corn is marginally suitable (S3) and not suitable (N) with limiting factors are precipitation, soil solum, pH H2O, C‐organic and slope. Land suitability for cassava is not suitable (N) with limiting factors are soil solum and slopes. All of land unit areas have limiting factor for tobacco and food plants. Degradation of land resulted in decrease of quantity yield of tobacco.Keywords: food plants, land, soil degradation, tobacco
KAJIAN AWAL UNTUK MEMPERCEPAT PEMULIHAN KONDISI SOSOAL EKONOMI MASYARAKAT TERKENA BENCANA ERUPSI GUNUNG MERAPI MELALUI BUDIDAYA ULAT SUTERA Robertus Sudaryanto; Supriyadi Supriyadi; Purwanto Purwanto
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 8, No 2 (2011)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v8i2.6

Abstract

Title : Initial Assessment to Accelerate Recovery of The Affected Community Social Economic Mount Merapi Eruption Through The Cultivation of Silkworms. Research purposes to obtain the suitability of land for mulberry (Morus sp) in the affected area  2010  eruption  of  Mount  Merapi,  in  Balerante  Kemalang  Klaten  in  Central  Java.  This information  is necessary to create activities that can accelerate  the recovery of socio‐economic conditions of society through silkworm farming. The method used is an inventory of soil and land characteristics   through   field   surveys.   Step   (1)   an   inventory   of  climatic   factors,   soil   and topography to make the Land Unit Map (SPT). Stage (2) analysis of soil fertility in the laboratory to complement the characteristics of land that has not been obtained at the time of field survey. Stage (3) develop / describe the characteristics  of the land on each Land Unit on our soil. Stage (4) The process of evaluating the suitability of the land, the match (matching) characteristics  of land with mulberry plant growth requirements. The results of our actual and potential land suitability. This map is useful to provide guidance on the cultivation of mulberry plants. (Morus sp.),  Results  showed  that  most  of  land  unit  in  this  area  has  a  fitness  class  S2nr  (Quite  in accordance with the limiting nutrient retention)Keywords:  actual and potential land suitability, land characteristics, referrals, and cultivation
ANALISIS ALTERNATIF PENGGUNAAN LAHAN UNTUK MENJAMIN KETERSEDIAAN AIR DI DAS KONAWEHA PROVINSI SULAWESI TENGGARA La Baco S; Naik Sinukaban; Yanuar J Purwanto; Bunasor Sanim; Suria Darma Tarigan
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 8, No 2 (2011)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v8i2.2

Abstract

Title : The Analysis of Land Use Alternatives to Ensure Water Supply at Konaweha Watershed Southeast Sulawesi Province. Fenomena  of decreasing  water supply and increasing  water demand occurred at Konaweha watershed.   Konaweha  watershed  shed is a priority watershed  in Southeast  Sulawesi  Province due to its crucial function. Land use changes were suspected to be the cause of decreasing water supply. One effect of this condition  was maximum  discharge  increase  and minimum  discharge decrease of Konaweha River resulted in water deficit.   Research objectives were (1) to evaluate the effect of land use changes on hydrologic condition of Konaweha watershed;  (2) to evaluate the water supply and water demand as well as supply and demand water balance at Konaweha watershed,  and  (3) to  formulate  land  use  alternatives  and  management  policy  of Konaweha watershed.   This research had been conducted at Konaweha watershed for 10 months e.g. from June  2009  to March  2010.  The average  declining  of forest  width  during  1991‐1999  was  1.25 percent/year,  2001‐2005  was 0.52 percent/year  and 2006‐2011  was 0.90 percent/year.  In the same time the availability of minimum discharge as a water supply was decrease. There was no deficit on annual water supply until 2050 but monthly distribution  of hydrograph  caused water deficit in September started from 2016.  Proportion of maintenance  cost for watershed function at  Kendari  Municipality  was  35  percent  while  at  the  District  of  Konawe,  South  Konawe  and Kolaka were 28 percent,  15 percent, and 22 percent  respectively  from total economic  value of water  at  Konaweha   watershed.   Forest  economic   value  including   flora  and  fauna,  carbon absorption,  option value, bequest  value and existence  value was IDR 14,974,716/hectare.  Five alternative  of  land  use  at  Konaweha  watershed  were:  (1)  Scenario  1:  30  percent  forest,  45 percent plantation, 6 percent mix garden and 1 percent bush; (2) Scenario 2: 35 percent forest, 45 percent  plantation,  5 percent  mix  garden  and  1 percent  bush;  (3)  Scenario  3:  44  percent forest,  35  percent  plantation,  5  percent  mix  garden  and  1  percent  bush;  (4)  Scenario  4:  34 percent forest, 45 percent plantation, 7 percent mix garden and 1 percent bush; and (5) Scenario 5: 40 percent forest, 35 percent plantation, 5 percent mix garden and 2 percent bush. Scenario 4 were  not  appropriate   while  scenario  1,  2,  3  and  5  were  appropriate  to  applied  in  upper Konaweha  watershed.  Scenario 3 with a minimal of 44 percent of forest was the best land use alternative.Keywords: watershed, land use change, water supply, water demand
STUDI BEBERAPA SIFAT FISIKA DAN KIMIA TANAH PADA BERBAGAI KOMPOSISI TEGAKAN TANAMAN DI SUB DAS SOLO HULU Sisca Winda Kumalasari; Jauhari Syamsiyah; Sumarno Sumarno
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 8, No 2 (2011)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v8i2.7

Abstract

Title : The Study of Soil Physics and Chemical Character on Various Straightened Composition of Crop on Sub DAS Solo Hulu. This research  was conducted  in Sub DAS Solo Hulu area from October  2006 – February 2007. The aim of this research  was to study the effect of various  straightened  composition  of crop  to  soil  physics  and  chemical  properties.  The  change  will  be  seen  when  the  available vegetation  was more dominant  than vegetation  on the same area. This research used variable approach by survey in spacious and is supported by analysis in laboratory. T‐test and Correlation test was used in this research. The result of this research showed that according  to vegetation survey, there was get six straightened composition of crop. The most of straightened composition of crop was predominated  by Jati (Tectona grandis L.). Straightened  composition  of crop which predominated by Jati (Tectona grandis L.) giving effect of very real to some soil physics (soil pore, soil aggregate,  field capacity) and chemical properties  (pH H2O, pH KCl, organic matter, cation exchangeable  capacity, total N, available P, available K and basalt spacing) at this same of soil type (Entisols  and Alfisols).  The various  straightened  composition  of crop to effect soil physics and  chemical  properties  through  organic  materials  which  yielded  by  litter  material  and  crop activity of root. Various straightened composition of crop was predominated  by annual crop will yield   as   litter   material   which   is   more   compared   to   with   straightened   composition   of predominated by season crop. Because annual crop have longer life cycle from at season crop so that  can  render  as  litter  material  as  continually.  Organic  materials  decomposition  will  yield organic  acids  as one of the source  of organic  materials  of ground.  While  activity  of root will render  organic  materials  in  ground  through  flaking  back  part  of  root  of  organic  compound. Annual crop have root system ride, where its root hair can reach broader place so that organic compound which given into ground also progressively increase.Keywords:  Sub  DAS  solo  hulu,  soil  physics  properties,  soil  chemistry  properties,  straightened  composition of crop
KAJIAN KONSERVASI TANAH KRITIS BERDASARKAN SATUAN LAHAN DI DAERAH TANGKAPAN AIR SEMPOR KABUPATEN KEBUMEN Dwi Priyo Ariyanto; Bambang Hendro Sunarminto; Dja’far Shiddieq
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 8, No 2 (2011)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v8i2.3

Abstract

Title : Study of Critical Soil Conservation Based on Land Unit on Sempor’s Catchment Area, Kebumen Regency. This research  aims to predict critical soil and soil erosion  level of Sempor’s  Catchment Area and to recommend the management according to soil conservation.This  is  an  explorative  descriptive  research  based  on  environment  data.  The  data  are obtained from field observation and result of laboratory analysis of soil samples taken from field survey. Furthermore, the data are classified based on critical soil classification to get critical soil map. The data also are calculated based on USLE to get soil erosion prediction. The results of soil erosion prediction are grouped based on erosion hazard levels and result of soil erosion mapping. After knowing  critical soil and soil erosion level in each land unit, recommendation  is made to manage land according to soil conservation.The result shows that on observation area with total extent 4,333.68 ha there are criticalsoil about 1,373.68  ha (31.70 %), semi critical about 2,164.54  ha (49.95 %), potentially  critical about 440.46 ha (10.16 %) and the others are about 355.00 ha (8.19 %) in the form of settlement and  reservoir  located  at  the  outside  of  the  observation  area.  The  soil  erosion  predicted  on observation area are divided into 6 classes, those are very low erosion class at about 103.90 ha (2.40 %), low erosion class at about 332.00 ha (7.66 %), moderate erosion class at about 953.78 ha (22.01 %), high erosion class at about 247.53 ha (5.71 %), very high erosion class at about 2,108.50 ha (48.65 %), acute erosion class at about 232.96 ha (5.38 %) and the others are out of observation  area. Topography  and land management  are factors that have the most dominant influence to soil erosion prediction. Total soil erosion on observation  area is about 320,958.016 tons/ha  or soil erosion average  about 74.061 tons/ha/year.  The recommendation  is to restore critical and erosion through some actions such as reboization or planting with annual crop, vegetation nursery, adding organic matter via organic fertilizer or organic mulches, making and maintaining of terrace and ditches, and agroforestry.Keywords: critical soil, erosion, Sempor,  soil coservation
PENGARUH SAAT PEMUPUKAN UREA PADA SISTEM GANDA AZOLLA‐PADI SAWAH TERHADAP N‐KAPITAL TANAH DAN HASIL PADI DI ENTISOL Sudadi Sudadi; Sumarno Sumarno
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 8, No 2 (2011)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v8i2.4

Abstract

Title : Fertilizing Time Effect of Urea in Dual System Azolla‐Rice Paddy to Soil Capital Nitrogen and Rice Yield on Entisol. The purposed of research was to study the effect of urea use in dual system azolla‐rice paddy to soil capital nitrogen  and rice yield on Entisol. Research  was conducted  on rice paddy field at Colomadu,  Karanganyar  district, Central Java. The experiment  arranged in single factor randomized completely block design (RCBD), with eight treatments says D1  (azolla + 100 kg urea /ha at 0 day after planting‐dap), D2 (azolla + 100 kg urea /ha at 30 dap), D3 (azolla + 100 kg urea /ha at 60 dap), D4 (azolla + 50 kg urea /ha at 0 and 30 dap), D5 (azolla + 50 kg urea /ha at 30 and 60 dap), D6  (azolla + 50 kg urea /ha at 0 and 60 dap), D7  (control treatment ‐ without azolla nor NPK fertilizer), and D8  (lokal farmer treatment ‐ 250 kg urea /ha split three times, 50 kg/ha at 0 dap, 100 kg/ha at 30 dap and 100 kg/ha at 60 dap). Azolla inoculums spreaded 7 dap at rates 500 g/m2. Variables observed were soil capital nitrogen, soil total‐N, tissue total‐N, soil organic matter content and rice yield. Data taken was analyzed  with anova and followed with Duncan Multiple Range Test (DMRT) at 5 %  level of significant. The results show that the use of urea in dual  system  azolla‐rice  paddy  increase  soil  capital  nitrogen,  soil  total‐N,  tissue  total‐N,  soil organic matter content and rice yield at Entisol. The highest soil capital nitrogen (0,953 kg/ha) and rice yield (8 ton/ha) were taken from the treatment of  D8 and D3 respectively.Keywords: azolla‐rice paddy, rice yield, soil capital nitrogen, Urea

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