The Molluscicidal Component Isolation and Structure Determination of Solanum xanthocarpum;

Purification of the Effective Component from Solanum xanthocarpum and its Effect against Oncomelania Snails;

Observation on Acute Toxicity Test to Fish and Mouse with the Extraction of Solanum xanthocarpum;

Design on Huangguoshu Automatic Large Staircase;

The flora of liveworts consists of 15 families,20 genra and 33 species in Huangguoshu karst area,Guizhou province,China.

Two species of tropical rare fruit trees including Lucuma nervosa and Pouteria caimito were introduced into the west of Guangdong province,China,and planting trials were conducted in two sites to testify adaptability of fruit trees according to height growth,diameter growth,survival percentage and fruit output,etc.

Experiment of Physalis alkekengi Introduction;

ANALYSIS OF THE CORRELATION BETWEEN THE GROWTH OF Cryptocarya concinna SEEDLINGS AND EFFECTIVE FACTORS IN HEISHIDING FOREST,GUANGDONG PROVINCE;

AFLP analysis in Cryptocarya concinna,a dominant population in lower subtropical evergreen broad-leaved forests at Heishiding Natural Reserve;

Studies on Cryptocarya concinna Seedling Natality and Mortality in Neishiding Forest;