78
79
a). 0-20 cm b). 20-40 cm c). 40-90 cm
Fig. 5. Visualizing of PH values in different deeps.
Geographical Information Systems are also providing graphical illustrations
with attribute data. Graphics can be used to compare different values or same values with different
time or depth. In Fig. 6, graphical information illustration of pH values are compared according to
the different depth values. The graphic is an illustration of Fig. 5a, 5b, 5c.
Fig. 6. Graphical illustration of the pH values.
3.3.Result and discussion
Soil as a natural system mediates the energy and material fluxes at the earths‘ surface. It is
characterized by uncertainties, inexactness and ambiguity (Webster, 2000). Nevertheless, infor-
mation about spatial distribution of soil attributes in a given area is an essential part of land surface
requirements for environmental purposes, agriculture and other land uses (Chukwu 2007). Geo-
graphical Information Systems are providing an integration platform for sustainable agricultural
management in land consolidation. Irrigation planning can be done with GIS based systems accord-
ing to the needing and land properties. Also fertilization planning can be examined with this system
considering soil survey results with desired crop. Efficient use of this system should be opened to
the users to query or view the results for crop planning. This can be succeed with web based GIS
systems. Web based GIS systems are providing web interfaces to access and view spatial data via
internet. Queries and results can be seen with web interfaces. Thus, the results are being shared with
third party user. Web based GIS systems are being a share platform between planners, users and
other authorities to realize agricultural monitoring and sustainable land planning.
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