The important role of vetiver grass roots in preventing water erosion and mass movement has been well recognized. though the detailed influence of the grass roots on soil has not been addressed. Through planting vetiver grass at the Kadoorie Farm in Hong Kong and leaving it to grow without artificial maintenance. the paper studies the influence of vetiver grass roots on soil propertie... https://herbsdailyes.shop/product-category/nasal-and-bronchial-medications/