Wilde, S.A. Analysis of soils and plants for foresters and horticulturists: diagnosis of soil productivity by field and laboratory methods (Book) - Ann Arbor, Michigan J.W. Edwards 1955 - x, 117 p. 21 cm. Subjects--Topical Terms: Plants--Chemical analysis Soil--Analysis Universal Decimal Class. No.: 631.42 WIL / 5500