BUDAK, Mesut Hakkari Üniversitesi - Çölemrik Meslek YüksekOkulu - Bahçe Tarimi Programi, Turkey , GÜNAL, Hikmet Gaziosmanpaşa Üniversitesi - Ziraat Fakültesi - Toprak Bilimi ve Bitki Besleme Bölümü, Turkey

Geostatistical Analysis and Mapping Spatial Distribution of Boron Concentration in Saline-Alkaline Soils

23189

High level water soluble boron concentration in arid regions is an important factor limiting plant production along with salinity. The purpose of this study was to map the spatial variability of plant available boron concentration in saline and alkaline soils by geostatistical methods. Soil samples were collected from 2650 ha area located at south of Kizilca Village at Bor Town in Nigde province. In the study area, 202 georeferenced soil samples were taken from depth of 0-30 cm. The soils were analyzed for Boron, texture, OM, CaCO3, pH, EC, ESP and SAR. Spatial variation of boron concentration was analyzed by semivariograms and data at unsampled locations were predicted and results were mapped by kriging. Boron concentration in study area ranged from 1.41 to 97.84 mg kg-1 and the mean concentration was 47.76 mg kg^-1. The result showed that boron concentratiin of majority of soils in study area is greater than 5 mg kg^-1 that is toxic to many crops. The maps showing the distribution of boron concentration in the study area have great importance to take the necessary measures to maintain and even promote sustainability of agricultural production and for the success of reclamation programs.

191

Boron , geostatistics , spatial variability , alkalinity , salinity

The Journal Of Ege University Faculty Of Agriculture

200