Long-term influence of cropping systems, tillage methods, and N sources on nitrate leaching

The extent of nitrate leaching in cultivated soils of Alberta is unknown. We studied how long- and short-term agricultural practices influenced nitrate leaching in a cryoboreal subhumid soil-climate of north-central Alberta. The study used plots from three crop rotation-tillage studies at Breton on...

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Veröffentlicht in:	Canadian journal of soil science 1995-11, Vol.75 (4), p.497-505
Hauptverfasser:	Izaurralde, R.C, Feng, Y, Robertson, J.A, McGill, W.B, Juma, N.G, Olson, B.M
Format:	Artikel
Sprache:	eng
Schlagworte:	Avena sativa Bromus inermis cattle manure chernozems continuous cropping continuous forage systems contiuous barley systems conventional tillage crop rotation deep tillage fallow grey luvisols Hordeum vulgare intercropping leaching legume-based rotations long term experiments losses from soil Medicago sativa mineral versus organic fertilizers nitrate nitrogen nitrogen nitrogen content nitrogen fertilizers no-tillage nutrient sources soil soil profiles tillage Triticum aestivum
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