Cây keo lai trên đất Đoan Hùng
PTO- Trước đây, bạch đàn vốn là cây lâm nghiệp chủ đạo của huyện Đoan Hùng. Tuy nhiên, giống cây này bộc lộ nhiều hạn chế như làm đất đai bị nghèo kiệt dinh dưỡng, xói mòn, gỗ bạch đàn tái sinh...
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