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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 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 ...
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.

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