The organic phosphorus content of some Iowa soils

[1] FRAPS GS, 1911, TEX AGR EXP STA BIOL, V136

[2] FRAPS GS, 1910, TEX AGR EXP STA B, V129

[3] HOPKINS CG, 1908, AGR EXP STA B, V123

[4] MULDER, 1844, J PRAKT CHEM, V32, P326

[5] The organic phosphorus of soil [J]. SOIL SCIENCE, 1916, 2 (03) : 291 - 298

[6] SCHMOEGER M, 1893, BER DEUT CHEM GESEL, V26, P386

[7] Organic phosphorus of soil: Experimental work on methods for extraction and determination [J]. SOIL SCIENCE, 1918, 6 (05) : 365 - 395

[8] STEWART R, 1910, AGR EXP STA B, V145

[1] FRAPS GS, 1911, TEX AGR EXP STA BIOL, V136

[2] FRAPS GS, 1910, TEX AGR EXP STA B, V129

[3] HOPKINS CG, 1908, AGR EXP STA B, V123

[4] MULDER, 1844, J PRAKT CHEM, V32, P326

[5] The organic phosphorus of soil [J]. SOIL SCIENCE, 1916, 2 (03) : 291 - 298

[6] SCHMOEGER M, 1893, BER DEUT CHEM GESEL, V26, P386

[7] Organic phosphorus of soil: Experimental work on methods for extraction and determination [J]. SOIL SCIENCE, 1918, 6 (05) : 365 - 395

[8] STEWART R, 1910, AGR EXP STA B, V145