A rice field in An Phu Trung Commune of Ba Tri District in Ben Tre Province.
The rainy season arrived late last year and was shorter than usual, with the result rainfall 8 percent lower than normal at 1,240 mm, according the Ministry of Agriculture and Rural Development.
Ben Tre was the first of five provinces to delclare an emergency earlier this month after salinity levels in rivers and canals surpassed the record levels of 2016.
Ba Tri District, which has 12,000 hectares (almost 30,000 acres) of farmlands and 100,000 head of cattle, has been hit hardest. In 2016 it lost 8,000 hectares of rice to drought and saltwater intrusion.
That year witnessed the worst ever drought and salinity levels ever in the delta, which is home to 12 provinces and a city. Some 600,000 people did not have access to freshwater, 160,000 hectares of paddy were damaged and farmers lost 800,000 tons of rice. The losses mounted to VND5.5 trillion ($237 million).