The fixation of nitrogen in some Colorado soils /

The fixation of nitrogen in some Colorado soils / Headden, William P.(William Parker),1850-1932. text Fort Collins, Colo. : Agricultural Experiment Station of the Agricultural College of Colorado, 1910. eng application/pdf COABAGRI100147 COABNRBC100147 Colorado Agriculture Bibliography Soils Nitrogen COAB_21707894.pdf "http://www.acns.colostate.edu/?page=copyright"

The fixation of nitrogen in some Colorado soils /

Headden, William P.(William Parker),1850-1932.

text

Fort Collins, Colo. : Agricultural Experiment Station of the Agricultural College of Colorado,

1910.

eng

application/pdf

COABAGRI100147

COABNRBC100147

Colorado Agriculture Bibliography

Soils

Nitrogen

COAB_21707894.pdf

"http://www.acns.colostate.edu/?page=copyright"