SOIL NITROGEN

[1] MAINTENANCE OF SOIL ORGANIC MATTER .1. INORGANIC SOIL COLLOID AS A FACTOR IN RETENTION OF CARBON DURING FORMATION OF HUMUS [J]. SOIL SCIENCE, 1949, 68 (06) : 463 - 478

[2] AZOTOBACTER INOCULATION OF CROPS .1. HISTORICAL [J]. SOIL SCIENCE, 1947, 64 (05) : 413 - 429

[3] AZOTOBACTER INOCULATION OF CROPS .2. EFFECT ON CROPS UNDER GREENHOUSE CONDITIONS [J]. SOIL SCIENCE, 1947, 64 (06) : 489 - 497

[4] NITRATE FORMATION FROM SOIL ORGANIC MATTER IN RELATION TO TOTAL NITROGEN AND CROPPING PRACTICES [J]. SOIL SCIENCE, 1949, 67 (03) : 239 - 252

[5] [Anonymous], SOIL CONDITIONS PLAN

[6] BEAR FE, 1949, CHEMURGIC DIGEST, V8, P26

[7] Bennett HH, 1928, SOILS CUBA

[8] Effect of applications of magnesium on crop yields and on the percentages of calcium and magnesium oxides in the plant material [J]. SOIL SCIENCE, 1939, 48 (01) : 59 - 75

[9] BLAIR AW, 1940, NEW JERSEY AGR EXPT, V677

[10] BLEDSOE MR, 1937, J AM SOC AGRON, V29, P815

[1] MAINTENANCE OF SOIL ORGANIC MATTER .1. INORGANIC SOIL COLLOID AS A FACTOR IN RETENTION OF CARBON DURING FORMATION OF HUMUS [J]. SOIL SCIENCE, 1949, 68 (06) : 463 - 478

[2] AZOTOBACTER INOCULATION OF CROPS .1. HISTORICAL [J]. SOIL SCIENCE, 1947, 64 (05) : 413 - 429

[3] AZOTOBACTER INOCULATION OF CROPS .2. EFFECT ON CROPS UNDER GREENHOUSE CONDITIONS [J]. SOIL SCIENCE, 1947, 64 (06) : 489 - 497

[4] NITRATE FORMATION FROM SOIL ORGANIC MATTER IN RELATION TO TOTAL NITROGEN AND CROPPING PRACTICES [J]. SOIL SCIENCE, 1949, 67 (03) : 239 - 252

[5] [Anonymous], SOIL CONDITIONS PLAN

[6] BEAR FE, 1949, CHEMURGIC DIGEST, V8, P26

[7] Bennett HH, 1928, SOILS CUBA

[8] Effect of applications of magnesium on crop yields and on the percentages of calcium and magnesium oxides in the plant material [J]. SOIL SCIENCE, 1939, 48 (01) : 59 - 75

[9] BLAIR AW, 1940, NEW JERSEY AGR EXPT, V677

[10] BLEDSOE MR, 1937, J AM SOC AGRON, V29, P815