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Showing items 72199 through 72207 of 73380.To assess the land use effects on soil micronutrients, this study examined the profile variation and storage of DTPA- extractable iron, manganese, copper and zinc at the depth of 0-150 cm of an aquic brown soil under four land use patterns, i.e.
Permanent exploitation of agricultural machinery and equipment supposes excessive compression of soil cover by undercarriage, especially by wheels, which leads to crop yield decline, high energy consumption and decrease of productivity.
The objective of this study was to analyze the growth of tree species planted in a topographic gradient in an area degraded for the construction of the dam of Camargos Hydroeletric plant, MG.
A Nemzeti Vidékstratégiai Koncepció(Vidékfejlesztési Minisztérium, 2011) vitaanyagánakelőszava a természeti erőforrásokfelértékelődésére, a természeti környezetvédelmére, valamint a mezőgazdaságés a vidék szoros kapcsolatára hívja fela figyelmet.
30 pp. Maps, charts, tables. Published October 30, 2001. Captured February 19, 2009.
The tree species composition of silver fir and beech forests has changed in space and time due to a number of direct and indirect natural and anthropogenic causal factors.
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