The estimation of phosphates in soil extracts

[1] 1882, J AM ACAD ARTS SCI, V17, P62

[2] 1894, J AM CHEM SOC, V16, P278

[3] 1889, Z ANAL CHEM, V28, P141

[4] 1893, J AM CHEM SOC, V15, P382

[5] 1912, ANALYST, V37, P130

[6] 1895, J AM CHEM SOC, V17, P178

[7] 1894, J CHEM SOC, V65, P115

[8] BULLETIN, P107

[9] 1905, LANDW VERS ST, V63, P141

[1] 1882, J AM ACAD ARTS SCI, V17, P62

[2] 1894, J AM CHEM SOC, V16, P278

[3] 1889, Z ANAL CHEM, V28, P141

[4] 1893, J AM CHEM SOC, V15, P382

[5] 1912, ANALYST, V37, P130

[6] 1895, J AM CHEM SOC, V17, P178

[7] 1894, J CHEM SOC, V65, P115

[8] BULLETIN, P107

[9] 1905, LANDW VERS ST, V63, P141