Nitrates in the soil : an explanation of so-called "Black Alkali" or "Brown Spots" /

Nitrates in the soil : an explanation of so-called "Black Alkali" or "Brown Spots" / Headden, William P.(William Parker),1850-1932. text Fort Collins, Colo. : Agricultural Experiment Station of the Agricultural College of Colorado, 1910. eng application/pdf COABAGRI100152 COABNRBC100152 Colorado Agriculture Bibliography Soils Nitrates. COAB_21707950.pdf "http://www.acns.colostate.edu/?page=copyright"

Nitrates in the soil : an explanation of so-called "Black Alkali" or "Brown Spots" /

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

text

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

1910.

eng

application/pdf

COABAGRI100152

COABNRBC100152

Colorado Agriculture Bibliography

Soils

Nitrates.

COAB_21707950.pdf

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