Growth and Biomass of Pinus Tabulaeformis and Platycladus Orientalis

For Pinus tabulaeformis and Platycladus orientalis species of oriental arborvitae,dry shelf man-power water control method is used,and the survival rate,height,diameter,dry matter,the root of the classification at the end of the growth seasons of plants are determined to study the growth dynamic rules of two species in Water stress and the accumulation and distribution rules of dry matters.