Critical nitrogen concentration of annual ryegrass and tall fescue is not affected by phosphorus deficiency
Cuadro R; Borrajo CI; Marino MA; Cicore P; Hirigoyen A; Errecart PM; Berone GA; Lattanzi FA · 2026 · European Journal of Agronomy.
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Nitrogen (N) and phosphorus (P) deficiencies commonly limit plant growth in agroecosystems. While critical N concentration (Nc) dilution curves are widely used to assess the N status of crops and pastures, it remains unclear whether Nc…
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Metadata source: Europe PMC