搜索结果: 1-2 共查到“林业经济学 private”相关记录2条 . 查询时间(0.061 秒)
Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies
forestry development multifunctional land use environmental perception
2015/3/6
The present distribution of forests and the degree of their transformation by man are the results of natural factors and cultural development. The limit between forested areas and open spaces, as well...
EXPOSURE OF FARMERS TO DUST ON PRIVATE FARMS OF VARIOUS PRODUCTION PROFILES
agricultural dust occupational exposure farmer plant production
2010/12/24
In the light of studies of dustiness in agriculture conducted in Poland and abroad, which deal exclusively with dust risk while performing selected occupations,the results presented in this article ar...