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All Journal Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management SAINS TANAH - Journal of Soil Science and Agroclimatology Dinamisia: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal HPT (Hama Penyakit Tumbuhan)

Istika Nita

Universitas Brawijaya

Author-ID : 331079

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Engineering Environmental Science Social Sciences Other

Published : 18 Documents Claim Missing Document

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Reliability of using high-resolution aerial photography (red, green and blue bands) for detecting available soil water in agricultural land Aditya Nugraha Putra; Istika Nita
Journal of Degraded and Mining Lands Management Vol 7, No 3 (2020)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2020.073.2221

The need for irrigation water is influenced by soil water content or more precisely by available water (pF 2.5 and pF 4.2). There is a need for technological breakthroughs in using Unmanned Aerial Vehicle (UAV) to identify water content quickly and broadly and accurately. The study was conducted in an area of ±18 hectares in the Sisim Sub Watershed in September 2019 at 09.00 a.m. Aerial photographs were taken at an altitude of 100 m with DJI Phantom Pro 3.0. The number of observation points was 75 points, where 15 points for validation were calculated based on the map scale. Photo processing was made using Agisoft. The Digital Elevation Model (DEMNAS) with 8.2 m resolution was used to compare the red, green and blue bands. The analysis used was Co-Kriging Geo Statistics Analysis, the compilation of algorithms based on the regression equation and ten index formulations. Validation was done by correlation continued with the regression or paired t-test if the parameter relationship was close. The available water measured in the field ranged from 5.16-48.28%. The results showed that the formulation of soil water content could be run on the Red, Green, and Blue bands, Intensity index, TGI index, ExGreen index and DEMNAS with a weak correlation (below 0.5), where TGI had the highest value (r=0.32). A test of t-pairing was not done because of a weak correlation. The highest estimation of pF 4.2 is DEMNAS (r=0.35), and pF 2.5 was on the TGI index (r=0.4).

Response Macronutrient Content of Saline-Resistant Paddy to the Saline Source Distance Aditya Nugraha Putra; Martiana Adelyanti; Albert Fernando Sitorus; Qoid Luqmanul Hakim; Melati Julia Rahma; Istika Nita; Sudarto Sudarto; Alia Fibrianingtyas
JOURNAL OF TROPICAL SOILS Vol 26, No 2: May 2021
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2021.v26i2.63-74

The impact of salinity on paddy production in Indonesia was pronounced with an average decline of 6.83% (2015-2019). Salinity interferes with macronutrients' absorption into plants, causing stunted growth (salinity contributed to a 42% decrease in paddy production). One solution to solve the salinity problem in paddy is to use saline varieties. There were very few studies on macronutrient content analysis in resistant varieties response to the salinity source's distance. This research conducted in Jabon Sidoarjo, Indonesia, aims to see the macronutrient response and plant growth to the saline source's distance. This research was conducted in Jabon District, Sidoarjo Regency, using two transects with a length of 2 km and 3.4 km, respectively. The distance between the research location and the salinity source was 10.65 km. The survey used a free grid to adjust paddy fields' location and the presence of resistant varieties. The results showed that the closer to the salinity source, the salinity indicators consisting of Electrical Conductivity, Sodium Adsorption Ratio, Exchangeable Sodium Percentage, and pH H2O would increase. The increase in salinity then affects the decrease in macronutrients (Nitrogen, Phosphor, and Kalium) in plants. However, tillers and leaves (length and number) were unaffected by high salinity levels in the soil.

Analysis of drought hazards in agricultural land in Pacitan Regency, Indonesia Istika Nita; Aditya Nugraha Putra; Alia Fibrianingtyas
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 17, No 1 (2020): June
Publisher : Universitas Sebelas Maret

Pacitan Regency is a region in East Java Province with varied landforms and high disaster potential, including drought. The drought hazard in this region has not yet been determined. This study was conducted to analyze the potential of drought in Pacitan Regency in 2018 with the previous two decades (1998 and 2008) to predict future droughts. The study also focused on verifying how land-use changes impact drought potential. Mapping drought potential was based on the Ministry of Forestry method and was modified for this study. Drought potential was determined by scoring features and analyzing with a weighted overlay. Reference parameters and patterns of land-use change, as determined by Landsat 5, 7, and 8 satellite imagery, were analyzed. Then, the changing pattern was used to predict future 2030 land-use patterns using business as usual (BAU) analysis. For comparison, a land-use analysis was also done using the land capability class (LCC) and regional spatial plan (RSP). Data was validated using a confusion matrix. The accuracy of the drought estimation for Pacitan Regency was 75%. The results showed that the drought potential high and very-high level risk groups increased. The increase occurred due to changes in land use, specifically land management and plant species selection. Based on the results of the predicting BAU analysis, the level of potential of drought will increase by 2030. The regional spatial plan (RSP) and LCC analysis determined that, with no drought intervention, drought hazard in Pacitan Regency will increase.

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.528 KB)

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

PENERAPAN SISTEM INFORMASI GEOGRAFI DALAM PENDUGAAN SEBARAN DAERAH RAWAN LONGSOR DI KECAMATAN NGARGOYOSO, KABUPATEN KARANGANYAR Reza Muhammadi; Mochtar Luthfi Rayes; Istika Nita
Jurnal Tanah dan Sumberdaya Lahan Vol. 6 No. 1 (2019)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Ngargoyoso Sub-district is one of the areas that have the potential of landslides. To find out and observe landslide hazard, it is necessary to identify and mapping the area. This study was conducted from November 2017 to April 2018 at nine villages in Ngargoyoso sub-district. The method of the study was scoring of rainfall, slope, land use, geology, permeability, texture and effective depth of soil. The landslide-prone area were classified into three classes, i.e., low, medium, and high of landslide-prone. Low landslide-prone class had characteristics of flat slope with land uses are in the form of settlement, plantation, rice field and moor. The dominant areas are located in the land mapping units of 1,3,4,5 and 9 in Dukuh, Nglegok and Puntukrejo Villages. Medium landslide-prone class had characteristics of steep to very steep slope with land uses are in the form of forest/plantation, settlement, shrubs and rice field. The dominant areas are the in the land mapping units of 3, 4, 5, 6, 7, 8, 10, 11, 12, 14 and 15, that dominant in Girimulyo, Kemuning, Jatirejo and Nglegok Villages. High landslide-prone class had characteristics of steep slopes to very steep slopes with land uses of forest/plantation land use, shrubs, and rice fields. High landslide-prone class was dominant in Berjo, Ngargoyoso and Segorogunung Villages that are in te land mapping units of 6,7, 8, 11, 12, 13, 15 and 16. The validation result of landslide-prone area map showed the accuracy level of 85.71%.

PEMETAAN PREDIKSI SEBARAN KERENTANAN LONGSOR DI KECAMATAN TAWANGMANGU, KABUPATEN KARANGANYAR MENGGUNAKAN PENDEKATAN FUZZY LOGIC Mualif Adi Saputra; Mochtar Lutfi Rayes; Istika Nita
Jurnal Tanah dan Sumberdaya Lahan Vol. 6 No. 2 (2019)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Tawangmangu District is one of the problemas areas in Karanganyar Regency related to landslides. Land use that is not in accordance with the slope and triggered by high rainfall makes the District of Tawangmangu an area with criteria of landslides of medium to high criteria. Mitigation efforts need to be carried out to minimize the danger of landslides. Data limitations are the basis for these mitigation efforts. This can be solved using fuzzy logic. This method can be used by looking at a limited area and data. This research was conducted in Tawangmangu District by dividing the research location into 16 land map units (LMU). The results showed that Tawangmangu District was divided into four classes, involve: not vulnerable, low, medium and high. Criteria are not vulnerable to spread in 9; 7; 11; 10 and 12 LMU, low spread in 3; 4; 5; 16; 8 and 13 LMU, medium spread in 2; 15 and 1 LMU and high vulnerability only in 14 LMU. Factors that can take effect the occurrence of landslides in Tawangmangu District are slope, land use and bulk rainfall. This method can be applied at research sites because it has the accuracy of very accurate results.

STUDI INDEKS KUALITAS TANAH SERTA BIOINDIKATOR KUALITAS AIR DI DAS MIKRO SISIM KOTA BATU Shofie Rindi Nurhutami; Zaenal Kusuma; Istika Nita
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 1 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Landuse change causes the decrease of soil quality, so the hydrological and non-hydrological functions do not run optimally. Sisim Micro Watershedâ€˜s area of Â± 933.17 ha with a very steep slope has undergone major land-use changes. Soil Quality Index (SQI) analysis and water quality bioindicators are needed to assess the impact of land-use change. This study used 12 soil sampling plots, i.e. production forest (H2, H3, H4, H5), mixed gardens (KC2, KC3, KC4, KC5), and fields (T2, T3, T4, T5). The numbers behind the code indicate slope; 2 (slope 8-15%), 3 (slope 15-25%), 4 (slope 25-40%), and 5 (slope 40-60%). The results showed that dense vegetation and low intensity of tillage gave the best SQI. The highest SQI value was on H5 (0.63) with a good category, and the lowest was on T5 (0.32) with a bad category. The water quality bioindicator showed water pollution index of 1.97 (dirty water quality and rather heavily polluted). Soil quality which is dominated by low categories with high agricultural intensity and community waste disposal causes health condition of biotic habitats classified as unhealthy with a score of 1.90.

PERBANDINGAN INDEKS ERODIBILITAS TANAH YANG DITETAPKAN DENGAN METODE WISCHMEIER DAN RAINFALL SIMULATOR Sena Rizki Triyudanto; Zaenal Kusuma; Istika Nita
Jurnal Tanah dan Sumberdaya Lahan Vol. 8 No. 2 (2021)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Land use in the upstream area of the Brantas watershed, including that inÂ Tawangsari village, Pujon District of Malang Regency, has undergone significant changes. The conversion of forest to moor, plantations, and settlements has resulted in decreased soil quality leading to soil degradation. The purpose of this research was aimed to compare the soil erodibility index determined by the rainfall simulator with Wischmeier methods. The results showed that there was a relationship between the results of the soil erodibility value using the Wischmeier method with land use and slopes based on the correlation and regression values caused by the physical properties of the soil. There were differences in soil erodibility index with the Wischmeier method and the Rainfall Simulator method, namely the average agroforestry results of 0.108 and 0.112 and an average of 0.152 and 0.147 moor. The use of the Wischmeier method is more recommended.

ANALISIS POTENSI DAN RISIKO BANJIR PADA LAHAN PERTANIAN DI KABUPATEN PACITAN Istika Nita; Aditya Nugraha Putra; Hayyuna Khairina Albayani; Achmad Wildanul Khakim; Shofie Rindi Nurhutami
Jurnal Tanah dan Sumberdaya Lahan Vol. 9 No. 1 (2022)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Flood is a national disaster in Indonesia. Some of those factors, landform driven factors and non-driven factors in the form of land use management. Pacitan Regency has an alluvial landform that is vulnerable to flooding. BNPB states that the floods in 2018 continued on 07 March 2019, as a massive flood resulted in losses reaching > 600 billion. This study analyzed the potential and risk of flood in Pacitan Regency in 2018, in the past (1998 and 2008), and used it to projected future floods (2030). The research focused on land use change and its impact on flood potential and hazards. The potential and risk of flooding were analyzed using Paiminâ€™s method. The parameter was analyzed from Landsat 5, 7, and 8 images in an unsupervised. The trend will be used for Business As Usual (BAU) analysis in 2030. As a comparison, land use analysis carried out based on Land Ability Class (KKL) and Spatial Planning (RTRW). Data validation using confusion matrix overall accuracy. As a result, there had been an increase of potential floods in high and very high levels (1998 to 2018) around 263.04 ha and 368.99 ha. This continues until 2030 (BAU), around 191.61 ha and 172.8 ha. Land use management with RTRW will increase the potential flooding at a very high level in 2030 + 1088.63 ha. The best land management is the KKL application which reducing the flood potential at a very high level + 1973.39 ha. Accuracy tests conducted at 100 points in 2018 showed that 88 model points matched the flooding event ( 88% accuracy).

PENGARUH PERBEDAAN TUTUPAN LAHAN TERHADAP INFILTRASI TANAH PADA KAWASAN UB FOREST KARANGPLOSO MALANG Kurniawan Sigit Wicaksono; Istika Nita; Aditya Nugraha Putra; Widianto Widianto; Fikri Hadi Rusdianto; Priska Ayuningtyas
Jurnal Tanah dan Sumberdaya Lahan Vol. 9 No. 1 (2022)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Changes in land cover of forest provide different soil organic matter which affects soil infiltration through soil porosity. The purpose of this study was to determine the effect of differences in land cover on soil infiltration at UB Forest of Karangploso Malang. The study area was divided into six plots, namely protected area plots, mahogany production forests, pine production forests intercropped with coffee plants that have three different canopy densities (tenuous, sufficient and tight) and pine production forests intercropped with seasonal crops. Field observations were carried out to analyze the characteristics of vegetation with a sample plot measuring 20x20 m. The parameters observed were canopy density, basal area, plant density, litter and understorey. The taking of soil samples was done by making minipit which was repeated four times; Â the parameters observed were organic matter, texture, bulk density, particle density and soil porosity. Infiltration measurements were carried out with two methods i.e. single ring infiltrometer and rainfall simulator, each of which was repeated three times. Observation data were subjected to Analysis of Variance (ANOVA) and followed by with LSD test with a significant level of 5%. The results showed that differences in land cover can affect soil infiltration (F-count > F-table 3.33). The effect of land cover on infiltration occurs through litter which is a source of organic material which will then affect the physical properties of the soil, namely soil porosity. Soil porosity is a very influential factor in soil infiltration. The highest soil infiltration reta of 131.33 cm hour-1 was found in protected areas. Meanwhile, the lowest infiltration rate of 12 cm hour-1 was found in pine production forest plots intercropped with annual crops.

Co-Authors Achmad Bima Fauzi Achmad Wildanul Khakim Adelyanti, Martiana Aditya Nugraha Putra Aditya Nugraha Putra, Aditya Nugraha Aksha Karunia Satria Albert Fernando Sitorus Alia Fibrianingtyas Alia Fibrianingtyas Alia Fibrianingtyas Andriyanto, Chandra Anggraini Aurina Putri Awang Satya Kusuma Ayuningtyas, Priska Deffi Armita Dekan Rahmat Wahyudianto Elina Endang Listyarini Fikri Hadi Rusdianto Hana Kusumawati Hanifah Ainur Dienna Hayyuna Khairina Albayani Ivena Hafshah Khairunnisa Kristiawati, Wanda Kurniawan Sigit Wicaksono Kurniawan Sigit Wicaksono Kurniawan Sigit Wicaksono Kurniawan Sigit Wicaksono, Kurniawan Sigit Luqmanul Hakim Martiana Adelyanti Melati Julia Rahma Mochtar Lutfi Rayes Mochtar Luthfi Rayes Mualif Adi Saputra Muhamad Taufiq Hidayat Naafi Tiara Windari PRASETYO ADI NUGROHO, PRASETYO ADI Priska Ayuningtyas Putri, Anggraini Aurina Qoid Luqmanul Hakim Reza Muhammadi Riza, Sativandi Rony Irawanto Rosy Lesmono Putri S Sudarto Sativandi Riza Sektiono, Antok Wahyu Sena Rizki Triyudanto Shofie Rindi Nurhutami Sitorus, Albert Fernando Sri Agustiningsih Sri Rahayu Utami Sri Rahayu Utami Sudarto Sudarto Sudarto Sudarto Sugeng Prijono Syamsu Ridzal Indra Hadi Ustiatik, Reni Widianto Widianto Zaenal Kusuma Zaenal Kusuma Zaenal Kusuma

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