Study on the Growth of Sassafras tsumu Hemsl in Middle Stage in East Fujian Province
The Sassafras tsumu Hemsl plantation built by Fuding Houping State-Owned Forest Farm in Fujian province in 2010 is selected,and L9(34)orthogonal test design is adopted to investigate and analyze the three fac-tors(soil thickness,altitude and slope direction)affecting its growth.The results showed that there are significant differences in DBH and volume of Sassafras tsumu Hemsl in different soil thickness and altitude,but no signifi-cant differences in slope direction;the difference of tree height in different soil thickness,elevation and slope di-rection was not significant.The three factors affected the growth of DBH,tree height and volume in the order of soil thickness,elevation and slope direction.Sassafras tsumu Hemsl planting in eastern Fujian is the best choice for Sassafras tsumu Hemsl planting with soil thickness ≥80cm,elevation from 500m to 599m and slope direction being half positive and half negative.