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izvor podataka: crosbi

Reducing sampling intensity in order to investigate spatial variability of soil pH, organic matter and available phosphorus using co-kriging techniques. A case study of acid soils in Eastern Croatia (CROSBI ID 237792)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Bogunović, Igor ; Kisić, Ivica ; Mesić, Milan ; Perčin, Aleksandra ; Zgorelec, Željka ; Bilandžija, Darija ; Jonjić, Antonija ; Pereira, Paulo Reducing sampling intensity in order to investigate spatial variability of soil pH, organic matter and available phosphorus using co-kriging techniques. A case study of acid soils in Eastern Croatia // Archiv für Acker- und Pflanzenbau und Bodenkunde, 13 (2017), 1852-1863. doi: 10.1080/03650340.2017.1311013

Podaci o odgovornosti

Bogunović, Igor ; Kisić, Ivica ; Mesić, Milan ; Perčin, Aleksandra ; Zgorelec, Željka ; Bilandžija, Darija ; Jonjić, Antonija ; Pereira, Paulo

engleski

Reducing sampling intensity in order to investigate spatial variability of soil pH, organic matter and available phosphorus using co-kriging techniques. A case study of acid soils in Eastern Croatia

Soil pH, hydrolytic acidity (HA), organic matter (OM) and plant available phosphorus (AP) are factors controlling the environmental- friendly soil management in agroecosystems. These parameters are highly variable in space. The objective of this work is to study spatial variability of pH, HA, OM and AP using several interpolation methods in Eastern Croatia. A total of 1004 (0 - 30 cm) soil samples were collected, and several univariate and multivariate interpolation performances were tested. The results showed that soils of the study area had high HA and AP, while pH and OM was low. The variogram analysis revealed different spatial structures among studied soil properties and demonstrate a need for variable- rate management. Soil pH and OM had lower spatial variability compared to AP and HA. Ordinary kriging was the most accurate method to estimates the studied variables. The incorporation of auxiliary variables increased the precision of the estimations for HA. Soil AP and OM showed different results for spatial prediction obtained by co-kriging. Overall the incorporation of pH as auxiliary variable increased the prediction of the models. However, more co-variates should be incorporated in further models, in order to identify with more precision areas that need to be restored.

agroecosystem ; soil fertility ; site-specific fertilisation ; GIS ; multivariate geostatistic

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Podaci o izdanju

13

2017.

1852-1863

objavljeno

0365-0340

1476-3567

10.1080/03650340.2017.1311013

Povezanost rada

Geologija, Poljoprivreda (agronomija)

Poveznice
Indeksiranost