共 50 条
- [1] The determination of dicyanodiamide and of urea in fertilizers JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1921, 13 : 533 - 535
- [3] THE IDENTICAL PH METHOD FOR DETERMINATION OF BORAX IN MIXED FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1950, 33 (01): : 132 - 139
- [4] VOLUMETRIC METHOD FOR DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1961, 44 (02): : 229 - +
- [5] PHOTOMETRIC METHOD FOR DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1961, 44 (02): : 233 - +
- [8] THE DIRECT DETERMINATION OF AVAILABLE PHOSPHORUS IN FERTILIZERS BY THE QUINOLINIUM PHOSPHOMOLYBDATE METHOD JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1959, 42 (03): : 567 - 568
- [9] DETERMINATION OF POTASSIUM IN MIXED FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 891 - 898
- [10] DETERMINATION OF BORAX IN MIXED FERTILIZERS JOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1949, 32 (02): : 422 - 430