Astudy of the current situation and the socio-environmental efficiency of rice production model combine with giant freshwater prawn in Thoi Binh district, Ca Mau province

Abstract

The objective of this study aims to assess the current situation and the socio-environmental efficiency of
the rice production model combine with giant freshwater prawn in Thoi Binh district, Ca Mau province.
The study was conducted in Bach Dong, Tan Bang and Bien Bach communes of Thoi Binh district, Ca
Mau province. Results of rice yield was 2.9 to 7.1 tons/ha and an average of 4,601 tons/ha. On the other
hand, the yield of freshwater prawn was 313,4 kg/ha/crop and varies from 195.0 to 455.0 kg/ha/crop.
The harvested average shrimp size was equivalent to 26,58 individuals/kg and varies from 16 to 45
individuals/kg. The total income can reach between 23.400.000 and 77.700.000 VND/ha/crop and the
average was 49.274.250 VND/ha/crop. It can be seen that the benefits of the model are sustainable,
especially in the context of climate change impacts.In general, comparison with national technical
standards on surface water quality and aquatic life showed some parameters met the regulations.
Researching results are expected to contribute to solutions such as the sustainable development and
environmentally friendly green agriculture in Thoi Binh district, Ca Mau province.
Keywords: Model, giant freshwater prawn,Ca Mau, water quality, environment.