搜索结果: 1-3 共查到“森林土壤学 land”相关记录3条 . 查询时间(0.259 秒)
Changes of agricultural land characteristics as a result of afforestation using introduced tree species
agricultural land afforestation soil characteristics grand fir
2016/3/2
The paper documents the mid-term changes of the soil characteristics and upper soil dynamics in the stands of introduced tree species, grand fir and Douglas-fir, on the former agricultural lands. Thes...
The Effect of Treatment for Land Surface during Forest Practice on Soil Nitrogen Dynamics
nitrate nitrification nitrogen cycling scarification soil microbe
2009/8/27
The inorganic nitrogen pool in soil, soil microbial biomass, nitrogen pool in vegetation and microbial nitrogen mineralization in soil were investigated to understand the effect of treatment for land ...
Killing two birds with one stone: Transferring knowledge to fight poverty and land degradation（图）
gum arabic land
2007/3/28
Rome, 5 March 2007 - With help from FAO, farmers in six sub-Saharan countries have been able to increase their income from the sale of gums and resins and to restore degraded land.