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Summer sowing of Isatis indigotica (woad) is good; choosing the right sowing time is key
Isatis indigotica root is a bulk medicinal herb with relatively good market demand. It can be sown in spring, autumn, or summer. However, based on our trial demonstrations over the past two years, summer-sown Isatis indigotica is favored by herb growers because of its short growth period, good quality, high yield, no impact on subsequent crops after flowering, and relatively high returns. Average per mu...