Abstract : In dry area or sandy dryland, for the reason of scarce rainfall, windiness and lack of labor power and material resources, the low survivor ratio of afforestation were common.

• 摘要 ： 在干旱或荒漠地区造林，降雨稀少，风多且风大，加之人力、物力的贫乏等原因，导致造林成活率低。