TY - BOOK AU - Stallings,James Henry TI - Soil conservation T2 - Prentice-Hall field crop production series U1 - 631.45 20 PY - 1957/// CY - Englewood Cliffs, N.J. PB - Prentice-Hall KW - Soil conservation N1 - Contents Part I : Introductory and geographical aspects man's ancient struggle with soil erosion soil erosion and related problems Part II: Fundamental considerations of soil conservation how water erodes soil how wind erodes soil soil aggregates and how they are formed maintaining soil structure soil surveys soil testing plant cover and conservation Part III: Conservation practices interrelationship of land, plants and animals erosion and productivity water-erosion control wind-erosion control e.tc Part IV: Farm and watershed planning land use capability and land judging planning and farm program irrigation farm drainage watershed management the conservation movement; Includes references and indexes ER -