The investigation and discussion on the situation of returning farmland to forest project in arid region in north of Pengyang;

Discussion on the problem of showing excessive enthusiasm on economic forest in returning farmland to forest.;

Research on Protecting Farmers Long-term Development and Consolidating the Results of Returning Farmland to Forest;

Investigation of Vegetation in Eucalyptus urophylla and Zenia insignis Models for Conversion of Cropland to Forest;

Since the policies of the conversion of cropland to forest and the close grazing were carried out,the vegetation quality and coverage rate have been increased all over in Loess Plateau area, the eco.

Most of the researches on the benefit evaluation of the conversion of cropland to forest project focused on the ecological benefit evaluation by using the indexes such as water,soil,microclimate and ecological environment.

The afforestation mode of ornamental plants of returning land for farming to forestry in Nanyue District;

Carrying capacity of land after returning land for farming to forestry in Gezhen′er watershed.;

Leguminous plants application in returning land for farming to forestry;

An investigation on Returning farmland to forests was carried out, the experiences and problems were discussed.

The paper does field survey in the eight counties and cities in Qianxinan of Guizhou Province on the follow-up policy of returning farmland to forests research.

In the light of the great importance of forest resource protection by "substituting bamboo for wood", environmental construction promotion in the west mountainous regions, accomplishment of the programs of "returning farmland to forests" and "natural forest conservation" and the sustainable development of bamboo industry, the strategy that developing bamboo pulp in.