Kết quả nghiên cứu tuyển chọn, phục tráng và quy trình kỹ thuật sản xuất, thâm canh cây sơn đỏ
Cập nhật: 07:22 16/04/2009 GMT+7
PTO- Cây sơn Việt Nam từ trước tới nay được trồng nhiều ở Phú Thọ, trong đó, huyện Tam Nông là địa bàn trồng nhiều nhất, chiếm 2/3 tổng diện tích, sản lượng sơn của tỉnh.
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