Farm soils
Worthen, E.L., Aldrich, S.R.
Farm soils Their fertilization and management by E.L. Worthen and S.R. Aldrich - 5th edn. - New York John Wiley & Sons 1956 - 439 p.
Soils
Fertilization and Management
631.4 / W 932 I
Farm soils Their fertilization and management by E.L. Worthen and S.R. Aldrich - 5th edn. - New York John Wiley & Sons 1956 - 439 p.
Soils
Fertilization and Management
631.4 / W 932 I