Agriculture, Ecosystems and Environment, April 1, 2013, Vol.169, p.21(12)
To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.agee.2013.02.006 Byline: Marianne Ruidisch (a), Svenja Bartsch (b), Janine Kettering (c), Bernd Huwe (a), Sven Frei (b) Keywords: Nitrate leaching; Numerical modeling; Fertilizer best management practices; Ridge tillage; Plastic mulch; Groundwater Abstract: a* Nitrate leaching rates are 26% lower in a plastic mulched ridge cultivation system compared to uncovered ridges. a* Fertilizer placement only in ridges decreases nitrate leaching rates up to 36%. a* Split application decreases nitrate leaching rates up to 59%. a* Combing plastic mulch, a better fertilizer placement and split applications reduces nitrate leaching up to 82%. a* We recommend to apply plastic mulch and fertilizer best management practices for sandy soils in a flat terrain under monsoon climate. Author Affiliation: (a) University of Bayreuth, Soil Physics Group, Universitatsstr. 30, 95440 Bayreuth, Germany (b) University of Bayreuth, Department of Hydrology, Universitatsstr. 30, 95440 Bayreuth, Germany (c) University of Bayreuth, Department of AgroEcoSystem Research, Universitatsstr. 30, 95440 Bayreuth, Germany Article History: Received 13 September 2012; Revised 13 February 2013; Accepted 15 February 2013
Leaching -- Analysis ; Leaching -- Models ; Soil Biology -- Analysis ; Soil Biology -- Models ; Agroecosystems -- Analysis ; Agroecosystems -- Models ; Sandy Soils -- Analysis ; Sandy Soils -- Models ; Hydrology -- Analysis ; Hydrology -- Models ; Fertilizer Industry -- Analysis ; Fertilizer Industry -- Models ; Agricultural Chemicals -- Analysis ; Agricultural Chemicals -- Models
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