Nitrification in soils

[11] Guanine from a heated soil. [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1912, 34 : 1260 - 1263

[12] LATHROP EC, 1911, J IND ENG CHEM, V3, P657

[13] LEATHER JW, 1911, DEP AGR INDIA CHEM S, V2, P63

[14] Lipman JG, 1918, SOIL SCI, V5, P291

[15] LIPMAN JG, 1910, N J AGR EXP STA 31 A, P152

[16] PLIMMER RHA, 1908, CHEM CONSTITUTIO P 1

[17] ROBINSON CS, 1911, MICH AGR EXP STA TEC, V7

[18] The effect of partial sterilisation of soil on the production of plant food [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1909, 3 : 111 - U5

[19] SCHREINER O, 1912, U S DEPT AGR BUR SOI, V87

[20] SCHREINER O, 1907, U S DEP AGR BUR SOIL, V47

[11] Guanine from a heated soil. [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1912, 34 : 1260 - 1263

[12] LATHROP EC, 1911, J IND ENG CHEM, V3, P657

[13] LEATHER JW, 1911, DEP AGR INDIA CHEM S, V2, P63

[14] Lipman JG, 1918, SOIL SCI, V5, P291

[15] LIPMAN JG, 1910, N J AGR EXP STA 31 A, P152

[16] PLIMMER RHA, 1908, CHEM CONSTITUTIO P 1

[17] ROBINSON CS, 1911, MICH AGR EXP STA TEC, V7

[18] The effect of partial sterilisation of soil on the production of plant food [J]. JOURNAL OF AGRICULTURAL SCIENCE, 1909, 3 : 111 - U5

[19] SCHREINER O, 1912, U S DEPT AGR BUR SOI, V87

[20] SCHREINER O, 1907, U S DEP AGR BUR SOIL, V47