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ARTIFICIAL PLANTATION, AFFORESTATION METHOD AND PLANTATION METHOD
ARTIFICIAL PLANTATION, AFFORESTATION METHOD AND PLANTATION METHOD
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机译:人工造林,造林方法和造林方法
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摘要
PROBLEM TO BE SOLVED: To reduce the damage of woods caused by ultraviolet rays. SOLUTION: The species having polyploid such as triploid and tetraploid in chromosome number is selectively afforested to form an artificial plantation and to form the woods having ultraviolet resistance.
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