Hợp tác xã Nông nghiệp Hữu cơ Hạ Long Xanh, Đinh Thu Thủy Guide to Using HLX50 Vermicompost for Winter Carrots Guide to Using HLX50 Vermicompost for Winter Carrots HLX50 vermicompost is the optimal choice for winter carrots in northern Vietnam, particularly Quang Ninh. With 50% organic matter, beneficial micro... Quảng Ninh carrots organic vermicompost winter crop season May 30, 2026