Thử nghiệm thành công mô hình “Quản lý bệnh vàng lá, thối gốc hại sắn”
(QT) - Nhằm tìm các biện pháp xử lý hiệu quả nhất về bệnh vàng lá, chùn đọt, thối thân, thối gốc hại sắn, vụ sắn năm 2010 -2011, Chi cục Bảo vệ thực vật tỉnh Quảng Trị đã xây dựng mô hình “Quản lý bệnh vàng lá, thối gốc hại sắn” quy mô 2 ha tại địa bàn xã Thanh và xã Thuận, huyện Hướng Hóa.  Các mô hình được tiến hành trên đất đã trồng sắn nhiều năm liên tục không bón phân, đất đã bị nhiễm bệnh và có ruộng đối chứng. Các biện pháp phòng trừ tổng hợp như dọn sạch tàn dư gây bệnh, sử dụng giống ...
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