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The work of the San Antonio Experiment Farm in 1918

The work of the San Antonio Experiment Farm in 1918

C. R. Letteer · U.S. Dept. of Agriculture

38 sayfa · 1920

Agricultural experiment stations

Experiments in crop production on fallow land at San Antonio

Experiments in crop production on fallow land at San Antonio

C. R. Letteer · U.S. Dept. of Agriculture

10 sayfa · 1914

Fallowing / Field experiments

SorghumGrowing grain sorghums in the San Antonio district of TexasC. R. Letteer

Growing grain sorghums in the San Antonio district of Texas

C. R. Letteer · U.S. Dept. of Agriculture

12 sayfa · 1918

Sorghum