FIXED AMMONIA IN TROPICAL SOILS

[1] AMMONIUM FIXATION AND AVAILABILITY IN HARPSTER CLAY LOAM [J]. SOIL SCIENCE, 1951, 72 (03) : 187 - 200

[2] CATION EXCHANGE IN SOILS .1. AMMONIUM FIXATION AND ITS RELATION TO POTASSIUM FIXATION AND TO DETERMINATION OF AMMONIUM EXCHANGE CAPACITY [J]. SOIL SCIENCE, 1951, 72 (05) : 361 - 371

[3] FIXATION OF AMMONIUM IN DIFFICULTY EXCHANGEABLE FORM UNDER MOIST CONDITIONS BY SOME SOILS OF SEMIARID REGIONS [J]. SOIL SCIENCE, 1950, 70 (05) : 375 - 383

[4] BOWER CA, 1950, P SOIL SCI SOC AM, V15, P119

[5] A REVIEW OF RECENT WORK ON SOIL ORGANIC MATTER .1. [J]. JOURNAL OF SOIL SCIENCE, 1951, 2 (01): : 67 - 82

[6] CHAMINADE R., 1940, C. R., V210, P264

[7] HARDY F, 1949, COMMONWEALTH BUR SOI, V46, P220

[8] HARDY F, 1929, AGR SCI, V19, P727

[9] HARDY F, 1951, 1951 P M BWI SUG TEC

[10] Mattson Sante, 1943, LANTBRUKSHOGSKOLANS ANNALER, V11, P107

[1] AMMONIUM FIXATION AND AVAILABILITY IN HARPSTER CLAY LOAM [J]. SOIL SCIENCE, 1951, 72 (03) : 187 - 200

[2] CATION EXCHANGE IN SOILS .1. AMMONIUM FIXATION AND ITS RELATION TO POTASSIUM FIXATION AND TO DETERMINATION OF AMMONIUM EXCHANGE CAPACITY [J]. SOIL SCIENCE, 1951, 72 (05) : 361 - 371

[3] FIXATION OF AMMONIUM IN DIFFICULTY EXCHANGEABLE FORM UNDER MOIST CONDITIONS BY SOME SOILS OF SEMIARID REGIONS [J]. SOIL SCIENCE, 1950, 70 (05) : 375 - 383

[4] BOWER CA, 1950, P SOIL SCI SOC AM, V15, P119

[5] A REVIEW OF RECENT WORK ON SOIL ORGANIC MATTER .1. [J]. JOURNAL OF SOIL SCIENCE, 1951, 2 (01): : 67 - 82

[6] CHAMINADE R., 1940, C. R., V210, P264

[7] HARDY F, 1949, COMMONWEALTH BUR SOI, V46, P220

[8] HARDY F, 1929, AGR SCI, V19, P727

[9] HARDY F, 1951, 1951 P M BWI SUG TEC

[10] Mattson Sante, 1943, LANTBRUKSHOGSKOLANS ANNALER, V11, P107