This paper stydies on how to handle initially the remainder of cleaning,afforesting and thinning into the form that can be convenient to carry in forest.

Bioactivity and field efficacy of 0.3% azadirachtin EC against Parocneria orienta;

Based on the biological and ecological characteristics of Russula virescens, several forest management measures were taken comparing with the test in order to increase the fruitbody production of this species in the field.

In order to study the effects of tree-crop intercropping on young plantations of Populus tomentosa in the plain along the Yellow River,field experiments have been conducted by observing the growth of forests,nutrient contents in leaves,nutrient contents and water contents in soil and the output of crops.

Three insecticides were used for the control experiment on three main pests of Acacia mearnii, Homona coffearia Mayrick, Clania variegata Snellen and Ascotis selenaria Butter.

Different strains were selected against Anoplophora chinensis in the laboratory, which were used to control Anoplophora chinensis in the forest conditions.

The function and grazing utilization of interforest grassland in southern China;

Estimation of interforest grassland yields and nutritive quality in Daxinganling;