Nghiên cứu hiện trạng và hiệu quả kinh tế - môi trường mô hình sản xuất lúa tôm càng xanh kết hợp huyện Thới Bình, tỉnh Cà Mau

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Tác giả: Công Mạnh Nguyễn, Minh Kỳ Nguyễn, Phi Thoàn Nguyễn, Tri Quang Hưng Nguyễn

Ngôn ngữ: vie

Ký hiệu phân loại: 639.5 Crustacean fisheries

Thông tin xuất bản: Tạp chí Khoa học Kỹ thuật Thủy lợi và Môi trường, 2020

Mô tả vật lý:

Bộ sưu tập: Metadata

ID: 493071

Thêm vào giỏ

Mục tiêu của nghiên cứu nhằm đánh giá hiện trạng và hiệu quả kinh tế- môi trường mô hình sản xuất lúa tôm càng xanh kết hợp ở huyện Thới Bình, tỉnh Cà Mau. Nghiên cứu được thực hiện tại các xã Biển Bạch Đông, Tân Bằng và Biển Bạch thuộc huyện Thới Bình, tỉnh Cà Mau. Các kết quả cho thấy năng suất lúa thu được 2,9 đến 7,1 tấn/ha và trung bình là 4,601 tấn/ha. Năng suất tôm càng xanh thu hoạch tương ứng 313,4 kg/ha/vụ và dao động từ 195,0 đến 455,0 kg/ha/vụ. Trung bình kích cỡ tôm thu hoạch tương đương 26,58 con/kg và dao động từ 16 đến 45 con/kg. Tổng thu nhập có thể đạt 23400 đến 77700 ngàn đồng/ha/vụ và trung bình là 49274,25 ngàn đồng/ha/vụ. Lợi ích của mô hình khá bền vững, đặc biệt trong bối cảnh chịu tác động biến đổi khí hậu như hiện nay. So sánh với quy chuẩn kỹ thuật quốc gia về chất lượng nước mặt và bảo vệ đời sống thủy sinh cho thấy một số các thông số đạt quy định cho phép. Kết quả nghiên cứu có ý nghĩa góp phần đề ra giải pháp phát triển nông nghiệp xanh bền vững, thân thiện môi trường huyện Thới Bình, tỉnh Cà Mau., Từ khóa: Mô hình, tôm càng xanh, Cà Mau, chất lượng nước, môi trườngThe 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.

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