共 50 条
- [1] REPORT ON PHOSPHORIC ACID IN FERTILIZERS - DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACIDJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1954, 37 (02): : 334 - 359JACOB, KDHOFFMAN, WM
- [2] REPORT ON PHOSPHORIC ACID IN FERTILIZERS - DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACIDJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1955, 38 (02): : 421 - 435JACOB, KDHOFFMAN, WM
- [3] DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACID IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 872 - 879ALLEN, HR
- [4] DETERMINATION OF PHOSPHORIC ACID IN FERTILIZERS IN THE PRESENCE OF ORGANIC MATTERJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1947, 30 (01): : 135 - 139ALLEN, HRGAULT, L
- [5] REPORT ON PHOSPHORIC ACID IN FERTILIZERS - DIRECT DETERMINATION OF AVAILABLE PHOSPHORIC ACID BY VOLUMETRIC AND PHOTOMETRIC PROCEDURESJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 632 - 644JACOB, KDHOFFMAN, WMSCHRAMM, FC
- [6] INSTRUMENTAL METHODS FOR THE DETERMINATION OF AVAILABLE PHOSPHORIC ACID AND POTASH IN FERTILIZERSJOURNAL OF THE ASSOCIATION OF OFFICIAL AGRICULTURAL CHEMISTS, 1953, 36 (03): : 885 - 890AUSTIN, HCDENSON, WPEPPS, EA
- [7] PHOSPHORIC ACID AND PHOSPHATE FERTILIZERSINDUSTRIAL AND ENGINEERING CHEMISTRY, 1960, 52 (11): : A81 - A81BARRETT, EP
- [8] Insoluble phosphoric acid in acid phosphates and fertilizers - Some sources of error in its determinationINDUSTRIAL AND ENGINEERING CHEMISTRY, 1923, 15 : 1037 - 1038Austin, WR
- [9] Citrate solubility of phosphoric acid in fertilizersJOURNAL OF AGRICULTURAL SCIENCE, 1906, 1 : 430 - 443Dixon, JKS
- [10] DIFFERENTIAL PHOTOMETRIC DETERMINATION OF IRON IN PHOSPHORITES, FERTILIZERS AND PHOSPHORIC-ACID EXTRACTIONZAVODSKAYA LABORATORIYA, 1972, 38 (11): : 1323 - 1323PANTELEE.EPKRUPINA, IN