Using long-term experiments to assess statistical models for determining critical P fertilisation thresholds

• Published in: European journal of agronomy Vol. 158; p. 127220
• Main Authors: Jordan-Meille, L., Mollier, A., Poulton, P., Glendining, M., Jouany, C., Gratecap, J.-B., Hanocq, D., Montagnier, C., Denoroy, P.
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.08.2024; Elsevier
• Subjects: agronomy; algorithms; Assessment; barley; corn; data collection; durum wheat; Fertilisation; Fitting models; Life Sciences; Linear-plateau; P-threshold; phosphorus; risk; soil; Yield-response; Yield-response; Linear-plateau; P-threshold; Fertilisation; Fitting models; Assessment; P-threshold, Fitting models, Assessment, Linear-plateau, Fertilisation, Yield-response

Phosphorus fertilisation rules particularly rely on a diagnosis step that consists of comparing the level of plant available P in the soil by analysis with a "critical P threshold value (Pcrit). Pcrit are generally calculated from data obtained on Long Term Fertilisation Experiments (LTFEs), pr...