Visual soil evaluation : realizing potential crop production with minimum environmental impact / edited by Bruce C. Ball and Lars J. Munkholm. - Wallingford, U.K : Cabi, c2015. - xi, 160 p. : ill. ;25 cm. Includes bibliographical references and index. ISBN: 9781780647456 (pbk.) Subjects--Topical Terms: Crops and soils.Soils. Dewey Class. No.: 631.4 / BAL