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Poster De Conférence Année : 2014

Phosphorus budget as a tool to monitor soil P changes under grassland production

Résumé

Monitoring and managing soil P changes to improve P use efficiency and sustain agricultural production remains a major issue. Soil P budget has been used to characterize soil test P (STP) dynamics/changes in Asia, Europe, North America, and South America. However, few studies have been conducted on soil P budget vs. STP under grassland production. To analyze the stability of the relationship between STP and cumulative P budget over a large range of STP values as a result of long-term applications of varying P fertilizer rates in several grassland experiments in Europe and Canada. In five out of the six grassland production systems, a deflection point was observed in the relationship between STP and cumulative P budget. Above the deflection point, the relationship was linear, while below the deflection point, the relationship was not significant.
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Dates et versions

hal-02799674 , version 1 (05-06-2020)

Identifiants

  • HAL Id : hal-02799674 , version 1
  • PRODINRA : 273559

Citer

Noura Ziadi, Aimé Jean Messiga, Christian Morel, Claire Jouany, Perttu Virkajarvi, et al.. Phosphorus budget as a tool to monitor soil P changes under grassland production. 20th World Congress of Soil Science, Jun 2014, Jeju, North Korea. 2014. ⟨hal-02799674⟩
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