Discussion on the Relationship Between the Biomass and Volume of Quercus variabilis Forest at the Southern Foot of Taihang Mountain;

Study on the correlation between volume and biomass of main tree species in the evergreen broad-leaved forest of Tiantong National Forest Park,Zhejiang Province;

N, P, K content in the leaves of elm clones and its correlation with volume growth.;

The relationship among main component factors and establishment of timber volume table;

Principle and precision evaluation of stem volume surveying by total station;