Effects of soil compaction and tillage systems on uptake and losses of nutrients

Abstract In the framework of research on the environmental consequences of soil compaction, the impact of soil compaction and tillage systems on uptake and losses of nutrients, in particular nitrogen, are discussed. Evidence is presented to indicate interactive relationships between the amount of soil compaction, root growth, soil water and soil aeration status, and nutrient supply and uptake by plants. The importance of soil structure and pore size distribution in influencing the transport of nutrients in compacted soil is illustrated. Emphasis is given to the negative effects of soil compaction on components of the environment due to nutrient leaching, surface runoff and gaseous losses to the atmosphere.

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