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Jurnal Tanah dan Air
Published by Universitas Pembangunan Nasional Veteran Yogyakarta
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Articles 5 Documents
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Search results for , issue "Vol 21 No 1 (2024)" : 5 Documents clear
EVALUASI PENERAPAN SISTEM SETTLING POND DALAM PENGELOLAAN AIR ASAM TAMBANG DI PT INTERNASIONAL PRIMA COAL SAMARINDA KALIMANTAN TIMUR Subagja, Muhammad Rafif Riefanto; Nurcholis, Mohammad; Ardiansyah, Yudi; Dirja, Surya
Jurnal Ilmu Tanah dan Air Vol 21 No 1 (2024)
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v21i1.13947

Abstract

PT Internasional Prima Coal is a coal mining company utilizing open-pit mining methods, which has the potential to generate acid mine water that can be environmentally damaging if discharged directly into rivers. Hence, the necessity for management, one of which includes the use of settling ponds. The research aims to understand the application of the settling pond system in acid water management and determine the quality of acid mine water and sediment from the inlet to the outlet zones of settling ponds 01 and 08. The research employed survey and laboratory analysis methods. Sampling of acid mine water utilizes grab sampling techniques, while sediment sampling utilizes a core sampler. Parameters used for acid mine water and sediment samples included pH of water, sediment pH (H2O, KCl), Eh, TSS, Fe, Mn, Pb, and Cd levels. Determination of acid mine water quality referred to the East Kalimantan Regional Regulation No. 2 of 2011 concerning the Quality Standards of Coal Industry Wastewater, specifically for pH, TSS, Fe, and Mn, and Minister of State for the Environment Decision No. KEP-51/MENLH/10/1995 for Pb and Cd. Sediment quality referenced the Guidelines for the Protection and Management of Aquatic Sediment Quality in Ontario. The research results indicate that acid mine water and sediment generated by mining activities exhibit characteristics of Fe, Mn, Pb, Cd, and TSS meeting the quality standards but possess low pH values (acidic), especially in Settling Pond 01. Acid mine water that underwent treatment experienced an increase in quality, making it safe for discharge into water bodies. The water flow rate requiring treatment in Settling Pond 01 is 1.110 m3/s sourced from rainwater, runoff, while Settling Pond 08 is 0.704 m3/s from rainwater, runoff, and pumping from the mine's sump pit. 
KAJIAN TINGKAT PERKEMBANGAN DAN KLASIFIKASI TANAH PADA TOPOSEKUEN LERENG SELATAN GUNUNGAPI MERAPI DI DESA BALERANTE, KECAMATAN KEMALANG, KABUPATEN KLATEN Putri, Istimawati Rizki Marga; Nurcholis, Mohammad
Jurnal Ilmu Tanah dan Air Vol 21 No 1 (2024)
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v21i1.13949

Abstract

Topography is one factor that influences the pedogenic process. Balerante Village, Kemalang Subdistrict located on The Southern Slope of Merapi Volcano at an altitude between 680-2760 meters above sea level (masl) and frequently experiences topographical changes due to lava flows or eruptions. This research aims to study the level of soil development and to classify the soil based on classification systems of Soil Taxonomy, World Referense Base, and National Soil Classification. The method used in this research is a field survey by determining the location of the soil profile using a purposive sampling method based on the difference in altitude and overlaying Soil Type Maps, Contour Maps, and Slope Maps. Observations in the field include soil morphology and landscape, and analysis of the physical and chemical properties of the soil in the laboratory. The results showed that the three profiles 1129, 881, and 778 masl had diagnostic horizons: umbric epipedons and cambic endopedons. The soil development is at an intermediate stage. Soil classification at 1129 masl according to the USDA Soil Taxonomy is Andic Humudepts; according to WRB is Cambisols Andic; according to the National Soil Classification is the District Cambisol. Soil classification at 881 masl according to the USDA Soil Taxonomy is Acrudoxic Hapludands; according to WRB is Andosols Cambic; according to the National Soil Classification is Umbric Andosol. Soil classification at 778 masl according to the USDA Soil Taxonomy is Andic Humudepts; according to WRB is Cambisols Andic; according to the National Soil Classification is District Kambisols. 
PENENTUAN STATUS KEKERINGAN BERDASARKAN SUHU PERMUKAAN DAN INDEKS KELEMBABAN TANAH MENGGUNAKAN CITRA LANDSAT 8 DI KAPANEWON PAJANGAN KABUPATEN BANTUL DAERAH ISTIMEWA YOGYAKARTA Wasitama, Firdauzi; Virgawati, Sari
Jurnal Ilmu Tanah dan Air Vol 21 No 1 (2024)
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v21i1.13950

Abstract

Drought cases in Kapanewon Pajangan Bantul Regency often occur. The purpose of this study was to determine the level of soil moisture, land surface temperature conditions, and make a map of the distribution of drought status with a spatial approach to the Normalize Difference Moisture Index (NDMI), Land Surface Temperature (LST), and Normalize Difference Vegetation Index (NDVI) methods based on Landsat 8 imagery. The results showed that the soil moisture index was divided into 3 classes, namely humid with an area of 206,80 ha (6,27%), dry with an area of 2985,99 ha (90,53%), and very dry with an area of 105,649 ha (3,20%). The land surface temperature level is divided into 4 classes, namely very low (< 22,77 oC) with an area of 144,46 ha (4,38%), low (22,77 oC – 23,17 oC) with an area of 231,06 ha (7,31%), medium (23,17oC – 24,77oC) with an area of 2453,80 ha (74,37%), and high (> 24,77 oC) with an area of 460,15 ha (13,95%). The drought status in Kapanewon Pajangan is divided into 3 drought classes, namely low class with an area of 477,31 ha (14,55%), medium class with an area of 2589,98 ha (78,98%), and high class with an area of 212,15 ha (6,47%). The results of the Pearson correlation test of soil moisture index to water content at pF 2,54 and pF 4,2 included a strong positive correlation (r = 0,720 and r = 0,780). Pearson correlation test results of greenness level to water content at pF 2,54 had a moderately strong positive correlation (r = 0,598) and at pF 4,2 had a strong positive correlation (r = 0,783). Pearson correlation test results of LST soil surface temperature to moisture content at pF 2,54 had a strong negative correlation (r = -0,724) and at pF 4,2 had a very strong negative correlation (r = -0,838), while the correlation results with field soil surface temperature at pF 2,54 and pF 4,2 had a strong negative correlation (r = -0,631 and r = -0,787).
PENGARUH PEMBERIAN CAMPURAN LIMBAH IKAN PADAT DAN PUPUK ORGANIK CAIR LIMBAH IKAN TERHADAP P LATOSOL DAN PERTUMBUHAN TANAMAN JAGUNG (Zea mays) Herasti, Widhi Sekar Ing Pramada; Julianto, Eko Amiadji
Jurnal Ilmu Tanah dan Air Vol 21 No 1 (2024)
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v21i1.13951

Abstract

Latosol is soil with low fertility and low available P content. Solid fish waste and liquid organic fertilizer based on fish waste have a relatively high content of P element and have the potential to increase the availability of  P in soil. The purpose of this study is to find out the effect of providing solid fish waste and liquid organic fertilizer of fish waste on Latosol’s Fosforus availability and corn plants growth. The experiments were conducted using a non-factorial Randomized Design (RAL) and consisted of 9 treatments: P0=Fish Waste 0 tons/ha + LOF 0 ml/l, P1= Fish Waste 0 tons/ha + LOF 6 ml/l, P2= Fish Waste) tons/ha + 10 ml/l P3= Fish Waste 5 tons/ha + LOF 0 ml/l, P4= Fish Waste 5 tons/ha + LOF 6 ml/l, P5= Fish Waste 5 tons/ha + LOF 11 ml/l, P6= Fish Waste 10 tons/ha + LOF  0 ml/l P7= Fish Waster 10 tons/ha + LOF 6 ml/l P8= Fish Waste 10 tons/ha + LOF 11 ml/l. The research parameters are pH, P-available, Al-dd, Retention P, Ca. Plant Height, Plant Wet Weight, and Plant Dry Weight. The results of the study showed the effect of administering compost fertilizer and liquid organic fish waste had a real effect in increasing pH of H2O, pH of KCl, available P, Ca availability, Plant Height, Wet Weight, Plant Dry Weight as well as lowering Al-dd and Ground Retention. The best dose of fertilizer is on P5. 
ALIH FUNGSI LAHAN SAWAH DI KECAMATAN PURWOREJO, KUTOARJO, DAN PURWODADI KABUPATEN PURWOREJO Hidayat, Nurul; Mulyanto, Djoko
Jurnal Ilmu Tanah dan Air Vol 21 No 1 (2024)
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v21i1.13953

Abstract

Purworejo Regency is one of the districts in Central Java which has experienced conversion of rice fields. Purworejo Regency has an area of 1,034.82 km2. The study was conducted in 3 sub-districts, namely Purworejo District with an area of 52.72 km2, Kutoarjo with an area of 37.59 km2, and Purwodadi District with an area of 53.96 km2. The purpose of the study was to analyze the conversion of rice field land, the suitability of conversion to RTRW, and identify the impact of rice field conversion in Purworejo Regency. The study was conducted by survey method with purposive sampling points. Sample based on the suitability of conversion obtained from overlaying the rice field land conversion map with the RTRW map of Purworejo Regency 2011-2031. The suitability analysis of conversion is based on the land use balance with conformity classes appropriate and non-conforming. The results showed that the 3 sub-districts studied experienced conversion of paddy fields in 2013-2021. The conversion of paddy fields based on the RTRW of Purworejo Regency 2011-2031, Kutoarjo District covers an area of 4.31 ha with a suitability level of 10.07% and not according to 89.93%. In Purworejo sub-district covering an area of 25.38 ha with a suitability level of 26.04% and not according to 73.96%. Purwodadi sub-district covers an area of 12.68 ha with a suitability rate of 4.89% and not conformity of 95.11%. The conversion of paddy fields needs to be controlled so as not to disturb the stability of food security of an area.  

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