La fertilisation P-K is a technical guide focused on phosphorus and potassium fertilization practices in agriculture. Published in 1995 by ITCF (Institut Technique des Céréales), the book provides practical recommendations for optimizing soil nutrient management to enhance crop yields. With 44 pages of concise, field-oriented content, it serves as a reference for agronomists, farmers, and agricultural students seeking evidence-based strategies for balanced fertilization. The work reflects the scientific and practical expertise of French cereal production research during the mid-1990s.