Soil conservation.

Overview
Works: 45 works in 23 publications in 23 languages
Titles
Soil erosion and conservation / by: (Language materials, printed)
World soil erosion and conservation / by: (Language materials, printed)
Soil erosion and conservation / by: (Language materials, printed)
Anatomy, physiology, and psychology of erosion / by: (Language materials, printed)
Soil erosion survey of Latin America / by: (Language materials, printed)
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Subjects
 
 
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