Abstract
The paper studied and analyzed the threaten land effect of shelterbelt using a quantitative method. A series of effect indices and their calculative methods were put forward. These indices included threaten land height, threaten land angle, useful distance of threaten land or implanting (unsowing) distance, and rate of threaten land, etc.
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References
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Qing, B., Qingshan, R. A quantitative study on “threaten land effect” of shelterbelt. J. Northeast For. Univ. 3, 106–112 (1992). https://doi.org/10.1007/BF02874896
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DOI: https://doi.org/10.1007/BF02874896