Nghệ An, Việt Nam: Automatización de los factores ambientales en el cultivo de camarón en 3 etapas
The pilot research project “Application of scientific and technological advancements for automatic environmental management in 3-stage whiteleg shrimp farming,” led by the Nghe An Agricultural Extension Center, has brought initial success in promoting sustainable shrimp farming in the province.
According to MSc. Tran Nhat Phong, the water quality monitoring and alert system includes a central controller (E Sensor Master Aqua) using RF 433Mhz wireless waves, Wi-Fi, and GSM connectivity. It can send SMS alerts when parameters exceed preset thresholds. The system integrates sensors for pH, temperature, dissolved oxygen, ORP, and salinity:
– pH sensor: 0–14 range
– DO sensor: 0–20 mg/l range
– ORP sensor: +/- 2,000 mV
– Salinity sensor: 0–80 ‰
All sensors are powered by solar energy and connected to a mobile and desktop monitoring application that updates data every two minutes. The data is uploaded to the cloud, allowing farmers to monitor pond conditions remotely via smartphones or tablets. The system compares readings with pre-installed thresholds and sends alerts when anomalies are detected.
Mr. Phong shared that after two shrimp crops under this project, the application of automatic environmental management in 3-stage intensive farming has proven effective. It simplifies operations, reduces labor and costs, shortens grow-out cycles, and minimizes risks.
In the second crop of the project, Mr. Nguyen Viet Thang from Dien Trung commune, Dien Chau district, said the project was implemented on a 1-hectare site equipped with modern grow-out tanks, settling ponds, and wastewater treatment systems. The farm uses the automated monitoring system developed by Tep Bac, which monitors water quality indicators such as dissolved oxygen, temperature, pH, salinity, and ORP. It also sends SMS alerts when thresholds are exceeded, and regularly stores, analyzes, and retrieves historical farming data.
In the first crop, Mr. Thang applied the 3-stage intensive whiteleg shrimp farming model and achieved a 76% survival rate with a yield of 10.5 tons, earning over VND 1 billion in profit. In the second crop, despite cold weather prolonging the culture period, he maintained a 75% survival rate with an 8.5-ton yield and nearly VND 1 billion in profit. The third crop, also using the automated system, achieved a 77% survival rate and a 10.1-ton yield. Mr. Thang said the real-time monitoring system allowed him to promptly address environmental fluctuations and ensure healthy shrimp growth.
Mr. Ta Quang Sang, Director of the Nghe An Agricultural Extension Center, which implemented the project, stated that the application of science and technology for automatic environmental control in 3-stage shrimp farming provides farmers with the tools to produce high-quality shrimp at minimal cost. This enables them to sell at high market prices, improve productivity, and farm more efficiently while ensuring sustainable output growth for the province.
Source: aquaculture.vn
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