Factors contributing to the reaction of soils and their pH measurement
McGeorge, W.T.
Factors contributing to the reaction of soils and their pH measurement - Tucson 1938 - 95-126 p. - Soils Arizona Agricultural Experiment Station. Technical Bulletin No. 78 .
Factors contributing to the reaction of soils and their pH measurement - Tucson 1938 - 95-126 p. - Soils Arizona Agricultural Experiment Station. Technical Bulletin No. 78 .