肥料研究報告第18号(2025年(令和7年)発行)
Research Report of Fertilizer Volume 18 (2025)

全体版 (Full version) PDF(他誌掲載論文等の転載を除きます。) (PDF: 5,662 KB)

試験法等の検討及び妥当性確認
Development and Validation for Determination Methods

1 肥料中の鉄全量の測定方法の開発 -室間共同試験による妥当性確認- pp. 1-9 (PDF: 386 KB)

Development of Determination Method for Measuring Total Iron in Fertilizers - Harmonized Collaborative Validation -

2 く溶性りん酸及び水溶性りん酸の分析法の適用範囲確認(菌体りん酸肥料等) -単一試験室による妥当性確認- pp. 10-27(PDF: 987 KB)

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

3 汚泥肥料の連用によるカドミウム等の土壌への蓄積,作物への吸収試験(継続) -2023年冬作・2024年夏作- pp. 28-52 (PDF: 1,322 KB)

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

4 2024 年度肥料の共通試料を用いた分析について pp. 53-73(PDF: 1,138 KB)

Proficiency Test in Fiscal Year 2024

5 肥料認証標準物質の開発 -FAMIC-B(普通化成肥料)の調製- pp. 74-86(PDF: 421 KB)

Preparation of Certified Reference Material (CRM) for Determination of Major Components and Harmful Components: Low-analysis Compound Fertilizer (FAMIC-B-24)

6 2024年度肥料認証標準物質の開発 -高度化成肥料FAMIC-A-17,普通化成肥料FAMIC-B-14及び汚泥発酵肥料FAMIC-C-21の長期安定性評価- pp. 87-106(PDF: 854 KB)

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)