STUDIES ON THE PRODUCTION OF YOUNG CUNNINGHAMIA LANCEOLATA COMMUNITIES
杉木幼林群落生产量的研究

The field experiment was carried out at Huitong Forest Ecological Research Station in southwest part of Hunan Provice Results obtained from three types C. lanceolata intercropped with maiza (type A); C, lanceolata intercropped with upland rice (type B) and C. lanceolata only (type C) during 3 years are summarized as follows:1. The horizontal structure of trees and crops varies with the stand ages; the coverage of trees increases with increasing the stand ages and the coverage of crops decreases with increas...