肥料研究報告第18号(2025年(令和7年)発行)Research Report of Fertilizer Volume 18 (2025)
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試験法等の検討及び妥当性確認Development and Validation for Determination Methods
Development of Determination Method for Measuring Total Iron in Fertilizers - Harmonized Collaborative Validation -
Performance Evaluation of Analytical Methods for Citric Acid-soluble Phosphoric Acid and Water-soluble Phosphoric Acid for Fertilizers Such as Microbe Phosphate Fertilizers - Single Laboratory Validation -
調査・試験業務Investigation and Research
Effect of Continuous Application of Sludge Fertilizer on Cadmium Absorption of the Crop and Accumulation of Cadmium in the Soil (Continued Report) - Winter 2023 and Summer 2024 -
試験成績の信頼性確保関連Assurance Practices for Reliable Analytical Data
Proficiency Test in Fiscal Year 2024
Preparation of Certified Reference Material (CRM) for Determination of Major Components and Harmful Components: Low-analysis Compound Fertilizer (FAMIC-B-24)
Long-term Stability Evaluation of Fertilizer Certified Reference Materials for Determination of Major Components and Harmful Elements: High-Analysis Compound Fertilizer (FAMIC-A-17), Ordinary Compound Fertilizer (FAMIC-B-14) and Composted Sludge Fertilizer (FAMIC-C-21)