PHOSPHATE ACTIVITY MEASUREMENT IN SOILS

[1] ARNOLD CY, 1946, AG1306 ILL AGR EXP S

[2] FIXATION OF SOIL PHOSPHORUS [J]. ADVANCES IN AGRONOMY, 1949, 1 : 391 - 411

[3] ANION EXCHANGE IN SOILS .1. EXCHANGEABLE PHOSPHORUS AND THE ANION-EXCHANGE CAPACITY [J]. SOIL SCIENCE, 1947, 63 (05) : 377 - 387

[4] Replacement of adsorbed phosphate from kaolinite by fluoride [J]. SOIL SCIENCE, 1941, 52 (01) : 263 - 273

[5] McAuliffe C.D., 1948, SOIL SCI SOC AM P, V12, P119

[6] MIDLEY AR, 1941, SOIL SCI SOC AM P, V5, P24

[7] STEELE JG, 1935, THESIS OHIO STATE U

[8] FIXATION OF PHOSPHATE BY IRON AND ALUMINUM AND REPLACEMENT BY ORGANIC AND INORGANIC IONS [J]. SOIL SCIENCE, 1949, 67 (01) : 3 - 22

[1] ARNOLD CY, 1946, AG1306 ILL AGR EXP S

[2] FIXATION OF SOIL PHOSPHORUS [J]. ADVANCES IN AGRONOMY, 1949, 1 : 391 - 411

[3] ANION EXCHANGE IN SOILS .1. EXCHANGEABLE PHOSPHORUS AND THE ANION-EXCHANGE CAPACITY [J]. SOIL SCIENCE, 1947, 63 (05) : 377 - 387

[4] Replacement of adsorbed phosphate from kaolinite by fluoride [J]. SOIL SCIENCE, 1941, 52 (01) : 263 - 273

[5] McAuliffe C.D., 1948, SOIL SCI SOC AM P, V12, P119

[6] MIDLEY AR, 1941, SOIL SCI SOC AM P, V5, P24

[7] STEELE JG, 1935, THESIS OHIO STATE U

[8] FIXATION OF PHOSPHATE BY IRON AND ALUMINUM AND REPLACEMENT BY ORGANIC AND INORGANIC IONS [J]. SOIL SCIENCE, 1949, 67 (01) : 3 - 22