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- [1] AUTOMATED METHOD FOR DETERMINATION OF DIRECT AVAILABLE P2O5 IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1973, 56 (05): : 1078 - 1083
- [2] AUTOMATED METHOD FOR DETERMINING DIRECT AVAILABLE P2O5 IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1974, 57 (04): : 785 - 790
- [3] Direct determination of available P2O5 content of fertilizers INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1938, 10 : 0143 - 0152
- [4] SPECTROPHOTOMETRIC METHOD FOR DIRECT AVAILABLE P2O5 IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1959, 42 (03): : 569 - 574
- [6] RAPID MICRO SCREENING METHOD FOR DIRECT AVAILABLE P2O5 IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1976, 59 (01): : 20 - 21
- [7] DETERMINATION OF POTASSIUM IN FERTILIZERS FROM DIRECT AVAILABLE P2O5 EXTRACT WITH STPB JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1962, 45 (01): : 25 - &
- [8] DETERMINATION OF POTASSIUM IN FERTILIZERS FROM DIRECT AVAILABLE P2O5 EXTRACT WITH STPB JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1962, 45 (01): : 25 - 31
- [9] EVALUATION OF METHODS FOR DETERMINING AVAILABLE P2O5 IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1977, 60 (03): : 702 - 705
- [10] RAPID SPECTROPHOTOMETRIC METHOD FOR DIRECT AVAILABLE P2O5 IN FERTILIZER JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1974, 57 (03): : 548 - 552