Documentary material on the Inter-American Conference on Agriculture, Forestry and Animal Industry :$bWashington, D.C., September 8 to 20, 1930, Volume 2

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U.S. G.P.O., 1930 - Nature - 434 pages
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Contents

The InterAmerican Conference on Agriculture by Mr Alberto
3
5 Problems Affecting Crop ProductionContinued pge
5
Soil Surveys A8 by Dr Curtis F Marbut
57

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