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When is the nationally third-class protected plant Astragalus membranaceus planted? About how many years until harvest? What is the investment and profit per mu? (
Astragalus membranaceus, also known as Mianqi, Huangqi, Dushen, Shuzhi, Baiben, Baiyaomian, Huangshen, Xueshen, Renxian, etc., is a perennial herb, 50-100 cm tall. So when is Astragalus membranaceus planted? About how many years until harvest? What is the investment and profit per mu? According to grower Old Liu