B5.- Evaluation of the effects of sediment on rice production



Name

B5.- Evaluation of the effects of sediment on rice production



Background

The economy of the Ebro Delta is based to a large extent on agriculture – mainly rice cultivation. However, the production of this crop could be seriously affected by rises in sea level and the gradual “sinking” of the Delta via subsidence. Some parts of the Delta are below sea level and this leads to the intrusion of salt into the soil. This leads to a progressive loss of rice production and may make this sector economically unfeasible. One of the measures which could compensate for these phenomena is that of transporting sediments to the rice fields. A proportion of these could come from the CAT (Consorci d’Aigües de Tarragona) water treatment plant and could be transferred to the fields via the existing network of irrigation channels (see action B1). However, the possible effects of sediments from the CAT plant on rice cultivation must be studied first to ensure there are no effects.



Goals

The aim of this action is to assess the possible effects on rice production of transferring sediments from the water treatment plant of the Tarragona Water Consortium (Consorci d'Aigües de Tarragona, CAT) , as well as studying the GHG emissions and carbon balance in different rice fields using different kinds of fertilizers.







Where

16 rice fields belonging to the Experimental Investigation Body, IRTA (Amposta)



When

Between April 2015 and September 2017



Expected Results

With the results, we can determine whether the input of sediments from the CAT plant has any effect on rice cultivation. We can also assess the feasibility of transporting sediments to the fields via this system. We will also be able to find out the GHG emissions of the rice fields for different kinds of fertilizers.





B5.- Evaluation of the effects of sediment on rice production
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