Baver, L. D Rapid soil tests for estimating the fertility needs of Missouri soils / L. D. Baver and F. H. BRUNER - Lafayette, Missouri : Agricultural Experiment Station - 16 p. - Missouri. Agri. Exp. Sta., Bull.; 404 . LCCN: 202204 Subjects--Topical Terms: Suelos -- AnĂ¡lisis Suelos -- Fertilidad