Abstract
With the background of political concerns, land utilisation is confronted with the serious need for the protection of soil fauna, landscape, climate and water quality more strongly now than ever before. In public discussions, agriculture is increasingly exposed to reproach, destroying «natural soil fertility», because of today’s sensitivity to ecological damage. In addition, the intensity of soil tillage is looked at more critically. Besides the visible signs of soil fertility loss, e.g. soil erosion by water and wind, soil sealing and crusting of the soil surface, there are other problems, including deep soil compaction, reduced water infiltration and deep root penetration, reduced organic matter content of the soil, high emission rates of CO2 through fast biological oxidation of organic matter and through high fuel consumption as well as drinking water pollution by leaching and run-off of nitrate, water soluble phosphate and other xenobiotica that contribute to overall environmental quality.
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