An Giang– tag –

Juvenile ca linh, a small flood-season fish, arrived for the first time at the An Giang border market. Processed products go for 250,000 dong (about 1,500 yen) per kg. We explain the ecology of this migratory fish descending from Tonle Sap, the food culture of the mua nuoc noi, and the seasonality of wild seafood that Japanese buyers should read.

Rice farming in the Mekong Delta has long been said to be "done by experience." The timing of sowing, how water is let in, how much fertilizer is spread—all of it rests on intuition passed from parent to child. Yet in a strongly acidic corner of An Giang province, a farmer who replaced that intuition with soil design, without letting the rice wither...