Soils ; their formation, properties, composition and relations to climate and plant growth in the humid and arid regions
Hilgard, Eugene Waldemar.
Soils ; their formation, properties, composition and relations to climate and plant growth in the humid and arid regions - New York : MacMillam, 1930 (c.1906) - 593 p. : ilus.
59829
Suelos.
631.4 / H55
Soils ; their formation, properties, composition and relations to climate and plant growth in the humid and arid regions - New York : MacMillam, 1930 (c.1906) - 593 p. : ilus.
59829
Suelos.
631.4 / H55
