Effects of controlled drainage on N and P losses and N dynamics in a loamy sand with spring crops

The effects of controlled drainage on N and P losses from soil were examined in a 4-year field drainage experiment on a loamy sand in Southern Sweden. Of the three plots (0.2 ha each), one was drained by conventional subsurface drainage (CD), and two by controlled drainage (CWT1 and CWT2). The groun...

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Veröffentlicht in:	Agricultural water management 2007-02, Vol.87 (3), p.229-240
Hauptverfasser:	Wesström, Ingrid, Messing, Ingmar
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural and forest climatology and meteorology. Irrigation. Drainage Agronomy. Soil science and plant productions barley Biological and medical sciences carbon nitrogen ratio Controlled drainage cropping sequence fertilizer rates Fundamental and applied biological sciences. Psychology General agronomy. Plant production grain yield Irrigation. Drainage loam soils losses from soil Mineral nitrogen content Nitrate loads nitrogen nitrogen content Nitrogen efficiency nutrient uptake oats phosphorus Phosphorus loads pollution load potatoes sandy soils Soil and water pollution soil nutrient dynamics Soil science soil temperature subsurface drainage temporal variation water flow water table wheat
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