Worthen, Edmund L.
Farm soils : their fertilization and management / Edmund L. Worthen and Samuel R. Aldrich. - 5th ed. - New York : Wiley, c 1956. - vii, 439 p. : ill. ; 22 cm. - Wiley farm series. .
Includes index.
310 310
Fertilizers.
631.4 / W899f
Farm soils : their fertilization and management / Edmund L. Worthen and Samuel R. Aldrich. - 5th ed. - New York : Wiley, c 1956. - vii, 439 p. : ill. ; 22 cm. - Wiley farm series. .
Includes index.
310 310
Fertilizers.
631.4 / W899f