Subsoil retention of organic and inorganic nitrogen in a Brazilian savanna Oxisol

Nitrogen (N) loss by leaching poses great challenges for N availability to crops as well as nitrate pollution of groundwater. Few studies address this issue with respect to the role of the subsoil in the deep and highly weathered savanna soils of the tropics, which exhibit different adsorption and d...

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Veröffentlicht in:	Soil use and management 2004-06, Vol.20 (2), p.163-172
Hauptverfasser:	Lehmann, J, Lilienfein, J, Rebel, K, Lima, S. do C, Wilcke, W
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions ammonium fertilizers ammonium sulfate Biological and medical sciences cerrado cerrado soils Chemical, physicochemical, biochemical and biological properties corn crop rotation Fundamental and applied biological sciences. Psychology General agronomy. Plant production Glycine max leaching losses from soil Mineral components. Ionic and exchange properties Nitrogen fertilization nitrogen retention Nitrogen, phosphorus, potassium fertilizations nutrient availability Organic matter Oxisols Physics, chemistry, biochemistry and biology of agricultural and forest soils savanna soils savannas Soil and water pollution soil nutrient dynamics Soil science Soil-plant relationships. Soil fertility. Fertilization. Amendments soybeans stable isotopes tropics Zea mays
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