Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information Systems
Assessment, evaluation and mapping of the spatial characteristics of soil properties are crucial to ensure the sustainability of plant production and the development of appropriate management practices in the areas of intensive agricultural production. In this study, some physical and chemical soi...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Siirt University
2018-06-01
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| Series: | Türkiye Tarımsal Araştırmalar Dergisi |
| Subjects: | |
| Online Access: | http://dergipark.gov.tr/tutad/issue/36020/361237 |
| _version_ | 1797920726020259840 |
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| author | Mesut BUDAK Hikmet GÜNAL İsmail ÇELİK Nurullah ACİR Mesut SIRRI |
| author_facet | Mesut BUDAK Hikmet GÜNAL İsmail ÇELİK Nurullah ACİR Mesut SIRRI |
| author_sort | Mesut BUDAK |
| collection | DOAJ |
| description | Assessment, evaluation and mapping of the spatial characteristics of soil properties are crucial to ensure the
sustainability of plant production and the development of appropriate management practices in the areas of intensive
agricultural production. In this study, some physical and chemical soil characteristics of Dicle Basin, where most of the water
reserves of our country are located, and large irrigation projects are taking place, were determined and spatial distributions are
modeled and mapped. One hundred seventy-five soil samples from Diyarbakır and Siirt provinces were collected from 0-20
cm depth at approximate corners of each 5 x 5 km grids. Coverage of study area was 4.341 km2. In order to make a more
accurate estimation of the changes of soil properties at distances shorter than 5 km, 33 soil samples were taken at 250 m, 750
m and 1750 m distances between two consecutive grid points. Soil samples were analyzed for texture (sand, clay and silt
contents), organic matter (OM), lime content, soil reaction (pH), electrical conductivity (EC), available phosphorus and
extractable potassium (K). The modeling of spatial variability allowed to predict the soil characteristics of locations that were not sampled and spatial distribution maps was created. The lowest variability in the study area was found for pH (CV=3.9%)
and the highest variability was on available phosphorus (CV=137.8%) concentration. The highest range value was obtained
for EC (135.4 km) while the smallest range value was obtained for pH (4.74 km). The soil maps where the lowest and highest
values of each soil characteristic can be easily detected are extremely useful to determine appropriate management methods,
remediate problems and optimize the use of inputs. |
| first_indexed | 2024-04-10T14:05:46Z |
| format | Article |
| id | doaj.art-89279f1e6b674010904d57e157ac8f2f |
| institution | Directory Open Access Journal |
| issn | 2148-2306 2528-858X |
| language | English |
| last_indexed | 2024-04-10T14:05:46Z |
| publishDate | 2018-06-01 |
| publisher | Siirt University |
| record_format | Article |
| series | Türkiye Tarımsal Araştırmalar Dergisi |
| spelling | doaj.art-89279f1e6b674010904d57e157ac8f2f2023-02-15T16:10:01ZengSiirt UniversityTürkiye Tarımsal Araştırmalar Dergisi2148-23062528-858X2018-06-015210311510.19159/tutad.361237Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information SystemsMesut BUDAK0Hikmet GÜNAL1İsmail ÇELİK2Nurullah ACİR3Mesut SIRRI4Siirt Üniversitesi, Ziraat Fakültesi, Toprak Bilimi ve Bitki Besleme Bölümü, Siirt, TÜRKİYEGaziosmanpaşa Üniversitesi, Ziraat Fakültesi, Toprak Bilimi ve Bitki Besleme Bölümü, Tokat, TÜRKİYEÇukurova Üniversitesi, Ziraat Fakültesi, Toprak Bilimi ve Bitki Besleme Bölümü, Adana, TÜRKİYEAhi Evran Üniversitesi, Ziraat Fakültesi, Toprak Bilimi ve Bitki Besleme Bölümü, Kırşehir, TÜRKİYESiirt Üniversitesi, Eruh Meslek Yüksekokulu, Organik Tarım Bölümü, Eruh-Siirt, TÜRKİYEAssessment, evaluation and mapping of the spatial characteristics of soil properties are crucial to ensure the sustainability of plant production and the development of appropriate management practices in the areas of intensive agricultural production. In this study, some physical and chemical soil characteristics of Dicle Basin, where most of the water reserves of our country are located, and large irrigation projects are taking place, were determined and spatial distributions are modeled and mapped. One hundred seventy-five soil samples from Diyarbakır and Siirt provinces were collected from 0-20 cm depth at approximate corners of each 5 x 5 km grids. Coverage of study area was 4.341 km2. In order to make a more accurate estimation of the changes of soil properties at distances shorter than 5 km, 33 soil samples were taken at 250 m, 750 m and 1750 m distances between two consecutive grid points. Soil samples were analyzed for texture (sand, clay and silt contents), organic matter (OM), lime content, soil reaction (pH), electrical conductivity (EC), available phosphorus and extractable potassium (K). The modeling of spatial variability allowed to predict the soil characteristics of locations that were not sampled and spatial distribution maps was created. The lowest variability in the study area was found for pH (CV=3.9%) and the highest variability was on available phosphorus (CV=137.8%) concentration. The highest range value was obtained for EC (135.4 km) while the smallest range value was obtained for pH (4.74 km). The soil maps where the lowest and highest values of each soil characteristic can be easily detected are extremely useful to determine appropriate management methods, remediate problems and optimize the use of inputs.http://dergipark.gov.tr/tutad/issue/36020/361237Tigris Basin soilsgeostatisticsspatial variabilitysemivariogramsoil management |
| spellingShingle | Mesut BUDAK Hikmet GÜNAL İsmail ÇELİK Nurullah ACİR Mesut SIRRI Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information Systems Türkiye Tarımsal Araştırmalar Dergisi Tigris Basin soils geostatistics spatial variability semivariogram soil management |
| title | Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information Systems |
| title_full | Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information Systems |
| title_fullStr | Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information Systems |
| title_full_unstemmed | Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information Systems |
| title_short | Characterizing Spatial Variability of Soil Properties in Tigris Basin Using Geostatistics and Geographical Information Systems |
| title_sort | characterizing spatial variability of soil properties in tigris basin using geostatistics and geographical information systems |
| topic | Tigris Basin soils geostatistics spatial variability semivariogram soil management |
| url | http://dergipark.gov.tr/tutad/issue/36020/361237 |
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