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All Journal Sains Tanah Agrin : Jurnal Penelitian Pertanian
Dja’far Shiddieq
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Journal : Sains Tanah

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KLASIFIKASI KEMAMPUAN KESUBURAN TANAH (FCC) PADA BEBERAPA SUB DAS DI DAS SEMPOR KABUPATEN KEBUMEN JAWA TENGAH Roro Kesumaningwati; Dja’far Shiddieq; Bambang H Sunarminto
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 5, No 1 (2008)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v5i1.77

Abstract

The fertility capability soil classification system (FCC) on several sub catchment areas, Sempor catchment area of Kebumen district Central Java. Sempor catchment area have many function, one of them is as a central of agricultural sector in Sempor sub district. The agricultural sector in Sempor catchment area hasn’t been able to catch up the optimal production. The production was only sufficient to supply farmer requirement. The research in order to agricultural development uncommon to do in Sempor catchment area. The research usually talking about the sedimentation process of Sempor basin whereas for the other problems weren’t gave much attention. Sempor catchment area has different characteristic on soil physic, chemical, and fertility. The research about the fertility capability soil classification system (FCC) on several sub catchment areas, Sempor catchment area need to be done in order to agricultural development. This research was used soil survey methods, and laboratory analysis. Result of this study shown that Sempor catchment area have different in soil fertility. Sampang sub catchment area has four FCC that is LR (≥45%), LCk (15‐30%), SC (30‐45%), and LC (8‐20%). Ketegan sub catchment area has three FCC that is LCk (15‐30%), SC (30‐45%), and LC (8‐ 20%). Kedungjati sub catchment area have four FCC that is LCk (15‐30%), SC (30‐45%), C (30‐45%), and LC (8‐20%). Kalikumbang, Kaliputih, Kedungwringin, and Sempor sub catchment area have two FCC that is LCk (15‐30%), and C (30‐45%), and Seliling sub catchment area have three FCC that is LCk (15‐30%), SC (30‐45%), and C (30‐45%). Key word : catchment area, the fertility capability soil classification system (FCC)
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
Co-Authors Bambang H Sunarminto Bambang Hendro sunarminto Djoko Prajitno Dwi Priyo Ariyanto Joko Pramono Roro Kesumaningwati Tohari Tohari