How a South African vineyard is making better wine thanks to cattle and ducks

A historic wine estate near Stellenbosch is turning to cattle, sheep and ducks to improve the quality of its vineyards. Hartenberg Wine Estate says it has become the first in South Africa to earn international certification for regenerative farming, practices that restore soil health and boost biodiversity.

It is not the typical winemaker who herds cattle between his vineyards. Viticulturalist Wilhelm Joubert oversees 80 hectares of…