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040 _aBUL
_cBUL
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_beng
_erda
082 _a631.45
_220
_bSTA
100 1 _aStallings, James Henry.
245 1 0 _aSoil conservation /
_cJ.H. Stallings, Foreword by R. B. Alderfer.
260 _aEnglewood Cliffs, N.J.,
_bPrentice-Hall,
_c1957.
300 _a575 p. :
_bill. ;
_c24 cm.
490 0 _aPrentice-Hall field crop production series
500 _aContents 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
504 _aIncludes references and indexes
650 0 _aSoil conservation.
906 _a7
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942 _2ddc
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_m631.45 STA