Analysis of biological qualities of land in traditional and conventional agro-ecosystems

EUGEN SKURA ALBERT KOPALI

Department of Agro-environment and Ecology, Agricultural University of Tirana, Albania

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Abstract: Land constitutes the most important natural resource from the perspective of environmental and human life, for many ecological functions and socio-economical performs. The provision of continuous recycling of nutrients for plants, water retention, storage of carbon reserves, filtering many potential pollutant substances, are some of the key ecological functions of soil. Production of biomass, the supply of food for man and animals, production of fibers for industry, the plant for agro-industrial use of those medical, constitute social functions – economic land which affect the welfare of everyday human life. These important ecological and economic functions not depend only on land use, but also its qualities, and in particular the biological qualities. Biological qualities of the land, which determine the level of fertility, primarily depend on management practices of agricultural systems. In conventional systems of agriculture, unlike traditional systems, soil fertility is really threatened, due to the accumulation of pollutantsubstances used and their impact on soil micro-flora. Protecting biological qualities of land remains a perennial target of agricultural systems more to ensure its functioning for a long period of time, to support life on earth.

Key-words: micro-flora, micro-fauna, biological quality, agro-ecosystem

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