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Irrigation is an obligatory agricultural practice in this region. It is even the very abstraction of water for irrigation that can increase seawater intrusion, thus increasing the salinity of sources. The use of saline water for irrigation causes the so called “secondary salinization”, degradation of soil quality detrimental from both environmental and economic points of view. In recent years extensive research has been conducted in order to perform agricultural and environmental evaluation of the region, including detailed soil mapping, monitoring of water and soil salinization, and identification of soil pollution and recent deposits of heavy metals. It was during that process identified that soil salinization in the Lower Neretva region occurs in three ways: bringing deep saline sediments up to the surface in order to form production plots; capillary rise of saline water in the soil profile; and irrigation with saline water.
Short description of the task performed by Croatian partner
The general objectives of this project are defined as follows:
Produce soil salinity maps for the Lower Neretva region;
Propose a model of a future agricultural land use method.
The specific objectives of each project phase are as follows:
Identify the maintenance level of constructed drainage and irrigation systems in the Lower Neretva region;
Produce a map of the agricultural land use;
Identify the agricultural practice in plant cultivation in the Lower Neretva region;
Describe the irrigation practice in plant cultivation in the Lower Neretva region;
Describe the application of special management measures under conditions of salinity