4 books • 2 series
Book #390: Measurement and Classification of the Flow and Spreading Characteristics of Individual Fertilisers
Book #458: A National Training and Certification Programme for Plant Nutrition Advisors
Book #551: Micronutrients in Arable and Field Vegetable Crop Production
Book #557: Procedures for Classifying the Physical Qualities of Fertilisers
Book #576: Agronomic Knowledge Transfer from Research to the Field
Book #596: Best Practice for Phosphorus Fertilisation on Farm