Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 3.
  1. Library Resource
    Documents de politique et mémoires
    décembre, 2010
    Pologne

    The restructuring of the State Forests National Forest Holding activity also covered the functioning of the existing forest building infrastructure in the forest district administrations. In the paper I present the issues and specificity of forest building engineering, as well as problems connected with the sales of buildings offered by the State Forests National Forest Holding in 1999-2008. To illustrate the process of selling buildings in RDSF, an analysis of real estate foreseen for sale and listed in the -Information Bulletin of State Forests - in 1999 to 2008 was carried out.

  2. Library Resource
    Documents de politique et mémoires
    décembre, 2008
    Pologne

    The aim of this study was to determine the effect of the soil tillage system on soil enzymatic activity. The performed investigations, employing two soil tillage systems: classical (ploughing) and simplified (no-tillage), were carried out on lessives soils (Luvisols) and rusty soils (Arenosols) differing typologically, with regard to their kind and species. The activity of the following five enzymes was determined in soil samples: dehydrogenases, acid phosphatase, alkaline phosphatase, urease and protease.

  3. Library Resource
    Documents de politique et mémoires
    décembre, 2008
    Pologne

    Agricultural production is based on environmental natural resources, that is soil, water, air and the whole landscape with its biodiversity. The using with resources of soil should therefore be balanced which would combine the tasks of farmhold utilizing from both economical, social and environmental protection point of views. Principles these be realized in special means by ecological agriculture as sustainable system of food production.

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