Microbiological analysis of soil as an index of soil fertility VI, nitrification

[1] ALLEN ER, 1915, OHIO AGR EXP STA TEC, V7

[2] The comparative nitrifying power of soils [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1904, 85 : 1158 - 1170

[3] BROWN PE, 1916, J AGR RES, V5, P855

[4] Can we predict probable fertility from soil biological data? [J]. SOIL SCIENCE, 1918, 6 (06) : 449 - 462

[5] FISCHER H, 1911, LANDW JB, V41, P755

[6] FRAPS JS, 1921, TEXAS AGR EXP STA BU, V283

[7] The significance of nitrification as a factor in soil fertility [J]. SOIL SCIENCE, 1917, 3 (05) : 399 - 416

[8] GERRETSEN FC, 1921, ARCH SUIKERIND NEDER, V29, P1397

[9] GIVEN GP, 1913, PENN AGR EXP STA RPT, P204

[10] Greaves JS, 1916, J AGRIC RES, V6, P889

[1] ALLEN ER, 1915, OHIO AGR EXP STA TEC, V7

[2] The comparative nitrifying power of soils [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1904, 85 : 1158 - 1170

[3] BROWN PE, 1916, J AGR RES, V5, P855

[4] Can we predict probable fertility from soil biological data? [J]. SOIL SCIENCE, 1918, 6 (06) : 449 - 462

[5] FISCHER H, 1911, LANDW JB, V41, P755

[6] FRAPS JS, 1921, TEXAS AGR EXP STA BU, V283

[7] The significance of nitrification as a factor in soil fertility [J]. SOIL SCIENCE, 1917, 3 (05) : 399 - 416

[8] GERRETSEN FC, 1921, ARCH SUIKERIND NEDER, V29, P1397

[9] GIVEN GP, 1913, PENN AGR EXP STA RPT, P204

[10] Greaves JS, 1916, J AGRIC RES, V6, P889