Loblolly pine was one of the most important short-cycle timber species which was introduced sucessfuly and planted in southern of china.It had great relation with cultivation environment in growth properties,wood quality.The variation in wood properties of loblolly pine had great difference in different environment.Loblolly pine plantation of 19 year old were choosed to study in this paper,the objectives of this paper were to deal with the wood properties variation and utilization evaluation,which provide s...