Properties of soils in the Swedish long-term fertility experiments: VII. Changes in topsoil and upper subsoil at Örja and Fors after 50 years of nitrogen fertilization and manure application.

Autor: Kirchmann, Holger1 (AUTHOR) holger.kirchmann@slu.se, Schön, Martina1 (AUTHOR), Börjesson, Gunnar1 (AUTHOR), Hamnér, Karin1 (AUTHOR), Kätterer, Thomas1 (AUTHOR)
Zdroj: Acta Agriculturae Scandinavica: Section B, Soil & Plant Science. Jan2013, Vol. 63 Issue 1, p25-36. 12p. 7 Charts, 5 Graphs.
Databáze: Academic Search Ultimate
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